Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry except fungicides, herbicides, insecticides and parasiticides; chemical preparations and materials in the nature of silica, silicates and silicone dioxide for use in the manufacture of a wide variety of goods; chemicals, namely, silicas, silicates and silicone dioxide for use in the cosmetic, skin care and dental industries; chemical compositions for developing plastic films; chemicals fo...

Silicon dioxide and silicates