丁基密封胶流泪”现象产生的原因

发布时间 : 2022-6-11 21:14:34
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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.

丁基密封胶流泪”现象产生的原因

(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.

发布时间 : 2022-6-11 21:14:34
Views:

丁基密封胶流淌造成中空玻璃污染而失效，行业内俗称“丁基密封胶流泪”现象。该现象产生的原因主要有以下两点：
    ① 掺油的密封胶如硅酮中空胶、耐候胶等所含的低价添加剂一一矿物油，渗透至丁基密封胶内，使丁基胶软化甚至溶解而流淌至中空玻璃内表面。
    ② 丁基密封胶加入了过多的低分子量基料，造成材料软化点低，在高温条件下(如南方夏季太阳照射下)产生流淌。这种现象最大的特点是滞后性，一般在中空玻璃上墙使用后一段时间才出现，因此危害巨大。
    例如华东地区一幕墙工程，使用不到两年，中空玻璃因丁基密封胶流淌而失效，最后不得不全部更换，给相关责任方造成了极大的经济和信誉损失。所以淄博元泰密封胶有限公司提醒广大丁基密封胶用户采购时一定选择产品质量好，业内信誉高的丁基密封胶生产厂家，不要一时贪图丁基密封胶价格便宜而吃亏，导致造成工程质量问题，十多么不值啊。

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