Hydrophilic Organic Fumed Silica Powder For Plastic

Characteristics Fumed silica is made from flame hydrolysis of silicon tetra chloride or from quartz sand vaporized in a 3000 °C electric arc.  It is used in cosmetics for its light-diffusing properties. It is used as a light abrasive, in products like toothpaste. Other uses  include filler in silicone elastomer and viscosity adjustment in paints, coatings, printing inks, adhesives and unsaturated  polyester resins. QX -200 is a hydrophilic fumed silica with a specific surface area of 200m2/g. It is a kind of high purity white colloidal powder. Chemical Data Property Unit           Typical Value           Testing Method          Specific surface area(BET) M2/g 200±20 GB/T20020 PH Value in 4% dispersion /…