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結構膠1428A/B

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     1428 高性能結構粘接丙烯酸酯膠是雙組分、 藍色、剛性、超級快速固化甲基丙烯酯酸膠。適合熱塑性
    塑料、金屬和復合材料的自粘和互粘。高粘度、高觸變, 不垂流,混合比 10:1,操作時間 3-4 分鐘, 達到 75%強 度時間 10 分鐘。粘接時無需表面處理就可達到最高強度, 韌性好,抗沖擊性好,耐疲勞。滿足大批量流水線生產需 求。 
    典型用途 筆記本電腦、平板電腦及手機等電子產品等的結構粘接。
    粘接材料:
    鋁、不銹鋼、碳鋼、ABS、玻璃鋼、聚酯(含 DCPD 改性) 聚
    苯乙烯、聚乙烯酯、PVC、聚胺酯、膠衣等。 
    混合前特性
    典型值       范圍 A 組分                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             外觀                       乳白色觸變膏狀 基料化學成份               甲基丙烯酸酯 粘度(mPa.s) 
    (GB/T2794-1995)                    100000~200000 密度(g/cm3)               0.97
    (GB/T13354-1992)  
    典型值        范圍 B 組分                       外觀                      藍色觸變膏狀 基料化學成份              過氧化物 粘度(mPa.s) 
    (GB/T2794-1995)                    100000~150000 密度(g/cm3)                1.13
     (GB/T13354-1992)   
    混合特性
    典型值         范圍                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              外觀                    藍色觸變性膏狀 混合比(體積):           A:B=10:1 混合比(重量):           A:B=8.6:1 混合后密度(g/cm3)          0.98
     (GB/T13354-1992)  
    操作時間(min)                                2~3 定位時間(min)                                5~6 完全固化時間(h)                               24 粘接間隙 (mm)                            0.75~4  最佳施工溫度(℃)                            18~27  
    固化后特性             典型值         范圍 外觀                       藍色固體 拉伸強度(MPa)                              15~20 (GB/T1040.2-2006-T) 延伸率(%)                                  10~30 (GB/T1040.2-2006-T) 剪切強度(MPa)                              15~20 (GB/T7124-2008)              拉伸模量( MPa)                            241~345 (GB/T1040.2-2006-T) 工作溫度 (℃)                             -55~121 
    耐介質性能 耐 PH 3-10 酸堿、烴類、鹽溶液。不耐極性溶液、強酸 強堿。 
    使用說明 表面處理:
    清除粘接面灰塵、水份、油污等保持粘接面干凈,碳鋼、鋁
    與不銹鋼建議使用回天底涂 1020 以達到最佳的粘接效果。
    混膠: 通過有固定混合比的混合嘴充分混合后,以手動、氣動或設 備打膠。
    施膠:
    本品在 18℃-27℃環境下施工能達到最理想的固化效果,低
    于 18℃固化減慢,超過 27℃固化加快。A組分和B組分的粘
    度也受溫度的影響,為確保在計量/混合設備中混合效果的一
    致性,兩組分在儲存時的溫度要保持恒定。 必須在所選膠粘劑操作時間內完成施膠。膠量確保充分填 充。操作時間結束前,涂膠和工件定位必需準確完成,然后 保持工件在固定狀態直到定位時間結束才能移走。