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Silica gel (Silica gel; Silica) Alias: Silicone rubber is a highly active adsorption material is amorphous material, its chemical formula is mSiO2 · nH2O. Insoluble in water and any solvent, non-toxic, odorless, chemically stable, it does not react with any substance except alkali, hydrofluoric acid. Various types of silicone because different manufacturing methods form different pore structure. Chemical composition and physical structure of silica gel, determines that it has many other features of similar materials difficult to replace obtained: adsorption properties, thermal stability, chemical stability, high mechanical strength. Silica according to the size of the aperture is divided into: large pore silica gel, rough hole silica gel, B type silica gel, pore silica gel. Silicone rubber (English name: Silicone rubber), Heat and vulcanized (HTV silicone HTV), room temperature vulcanized (RTV), which was divided RTV condensation reaction type and an addition reaction type. High-temperature silicone rubber is mainly used in the manufacture of silicone rubber products, while room temperature silicone rubber is mainly used as adhesives, potting materials, or the use of molds. The largest amount of heat curing type, heat curing was divided methyl silicone rubber (MQ), methyl vinyl silicone rubber (VMQ, dosage and product brands the most), methyl phenyl vinyl silicone rubber PVMQ (low temperature resistance, radiation ), there are other eye silicone rubber, fluoro silicone rubber. Non-toxic silicone disk wholesale sunshine sunshine _ _ Shuangfeng non-toxic silicone rubber disc provided by the Shuangfeng non-toxic silicone rubber disc. Juxian Shuangfeng Rubber Co., Ltd. (www.sfxsc.com) located in Shandong Rizhao Juxian County Rubber Industrial Park, Contact: Shi Gaoyu