Nano Silicon Dioxide Fumed Silica Powder

Specification QX-200 Hydrophilic fumed silica powder is a synthetic amorphous, Nano silicon dioxide with BET surface area of 200 m2/g.  It is a kind of high purity white colloidal powder. With its unique features of particle size, high purity, aggregated structure and low bulk density, it is widely used in fine chemical  such as Silicone Sealant and Rubber, Paints and Unsaturated Polyester etc. Physical and Chemical Data Property Unit           Typical Value       Testing Method          Specific surface area(BET) M2/g 200±20 GB/T20020 PH Value in 4% dispersion / 3.7-4.5 GB/T20020 Loss on dying(2h@105C) Wt% ≤2.0 GB/T20020 Lo…