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                MS密封膠生產環境包裝和貯運要求

                • 發布時間 : 2023-10-27 17:47:43
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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.

                MS密封膠生產環境包裝和貯運要求

                (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 : 2023-10-27 17:47:43
                • Views:
                Information

                       與其它密封膠一樣,單組分濕固化MS密封膠中一般也需要加入一定量的增塑劑。對增塑劑的要求主要有:①不含有能與一NCO基團反應的含活潑氫的物質;②水分的含量要足夠低;③揮發物要低于一定標準;④酸值要控制在一定范圍內。

                       調整增塑劑的量可在一定程度上改變密封膠的彈性和擠出性。但對其它力學指標也有一定影響。

                       為了提高MS密封膠對某些材料的粘接力,在密封膠中加入適量的某些特殊硅烷偶聯劑也是必要的。

                       適用于MS密封膠的催化劑很多,常用的有胺類和有機錫類,其催化活性差異較大,可根據不同的表干時間和固化速率要求適當調整,需要注意的是催化劑過量會縮短密封膠的貯標期。

                       無論是聚氨酯預聚物的合成還是MS密封膠的生產,對生產環境都有較高的要求,環境溫度以10-30℃,相對濕度以30%-65%為宜。如果溫度和濕度過高,會影響MS密封膠的貯存期。如果沒有能調溫調濕的工房,一般應避開在悶熱潮濕的天氣生產。

                       MS密封膠不能分裝在普通的塑料管里,因為其密封性不好,貯存期連6個月也難以達到。一般應分裝在有封口的鋁管雌,分裝也應由專用的全自動裝管機運行。為了節約包裝成本,也可采用復合薄膜軟包裝,但需配合專用的擠膠槍。根據用戶要求,也可采用內襯塑料袋的20 L或200 L鐵桶包裝。www.qiquanonline.com

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