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高寒MS密封膠性能的測試方法及表征

  • 發布時間 : 2023-9-13 12:03:28
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(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

高寒MS密封膠性能的測試方法及表征

(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

  • 發布時間 : 2023-9-13 12:03:28
  • Views:
Information

       聚硫耐高寒MS密封膠的制備將聚硫橡膠、增塑劑、填料和其他助劑在攪拌釜中于一定溫度下經一定時間混合均勻,得到A組分。將固化劑、催化劑、填料及功能助劑攪拌均勻,得到B組分。A,B組分按照10:1的質量比混合均勻,通過調整A,B組分中各物料的品種及配比,使制備得到的聚硫耐高寒MS密封膠的固化性能、低溫性能、粘結性能等滿足相關標準要求及高寒地區特殊環境下的材料性能要求,即為高寒地區用聚硫中空玻璃MS密封膠。

       高寒地區用聚硫中空玻璃MS密封膠(以下簡稱高寒MS密封膠)除了具備普通聚硫中空玻璃MS密封膠的全部性能之外,還具有良好的耐低溫性能,可在低溫下保持對玻璃、鋁合金、鍍鋅鋼等材料良好的粘結性能。制作中空玻璃單元時,高寒MS密封膠可以單獨使用,也可以和丁基MS密封膠混合使用。除主要用于高寒地區中空玻璃的密封外,高寒MS密封膠還可用于冰箱、冰柜等低溫制品的密封。

       工藝性能高寒MS密封膠的工藝性能主要由勃度、適用期、表干期、硫化后硬度、下垂度等表示。

       豁度勃度是關系到MS密封膠施工性的一項關鍵指標。MS密封膠勃度過大,會使物料混合困難,造成人力、動力的浪費;MS密封膠豁度過小,涂膠時容易流淌,機械施工時MS密封膠還易沿包裝桶與擠出活塞的縫隙翻到活塞上面,造成MS密封膠的浪費。另外,在高寒地區,由于溫度低,聚硫膠的豁度會變大,打膠時出膠速度變慢,因此,要求高寒MS密封膠在低溫下有合適的豁度,保證出膠順暢,并且打到玻璃上不流淌。高寒MS密封膠豁度的測試,參照GB/T 2794-1995《膠粘劑勃度的測定》進行。www.16878m.com

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