Environmental factors have a significant effect on the curing properties of sealants. The first is the effect of temperature. The higher the temperature, the faster the curing reaction speed. The phen......
2019-12-13The one-component sealant sealed package is stable in the container, and it will solidify when it is exposed from the container when exposed to the air. This is a chemical reaction process. The sealan......
2019-12-12Organic silicon construction sealant is mainly composed of base glue, filler, cross-linking agent, catalyst and other additives. Base glue is the basic material of the sealant, which determines the pe......
2019-12-12Silicone building sealants are condensed through chemical reactions to cure volatile small molecules. This type of product can be classified according to the different chemical reactions, that is, the......
2019-12-12Building sealants can be classified according to different methods, such as the structural sealants and non-structural sealants mentioned above. This is a classification method, which is based on the ......
2019-12-12Construction sealant is a paste-like construction sealing material composed of basic rubber, fillers, curing agents and other additives. After being used, it will cure to become a flexible rubber mate......
2019-12-12Peroxide vulcanization refers to organic peroxides that release free radicals when vulcanization and heating are added to the rubber ingredients (such as peroxide propylene and so on). Peroxide ur cau......
2019-12-11It is a widely used vulcanizing agent in wire and cable rubber, and can also be used as a vulcanization accelerator. The pure product has a melting point of 147 ° C to 148 ° C and a specific gravity o......
2019-12-11Resin vulcanizing agents are mainly some thermosetting alkylphenol resins and epoxy resins. Vulcanizing unsaturated carbon chain rubber and butyl rubber with alkyl phenolic resin can significantly imp......
2019-12-11Metal oxides are mainly used as vulcanizing agents for chloroprene rubber and chlorosulfonated polyethylene. Commonly used are zinc oxide, magnesium oxide, lead oxide, and lead trioxide. Zinc oxide ha......
2019-12-11Yellow solid material, widely used in natural rubber and some synthetic rubber. There are three commonly used sulfur powders: sulfur powder, sublimated sulfur (also known as sulfur China) and precipit......
2019-12-11During vulcanization, active functional groups or double bonds in the macromolecular structure of the rubber are gradually reduced due to cross-linking, thereby increasing chemical stability. On the o......
2019-12-11In the process of changing mechanical properties, the physical mechanization of rubber is significant. Therefore, in the production process, the degree of vulcanization is often measured by the change......
2019-12-11Glass glue: It is a kind of silicone glue. Polyurethane glue can be commonly called glass glue. Sealant: It is distinguished from performance. The single-finger function is sealing. Weather-resistant......
2019-12-10Sealants can be divided into three major categories: elastic sealants, liquid gaskets and sealers. According to the chemical composition classification, it can be divided into rubber type, resin type......
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