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  2. Hydrophilic Fumed Silica (2016)Tianyi Chemical offers HS971, HS973 and HS975 hydrophilic types with some different characteristics. The fumed silica can improve different properties of same products at the same time.

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  2. Hydrophobic Fumed Silica (2016)The hydrophobic fumed silica is made by hydrolyzed chlorosilane with high temperature in hydrogen and oxygen blaze. It's an inorganic fine chemical product which is white, nonpoisonous, odorless and amorphous.