Chemical composition of silica fume in the world
Chemical composition of silica fume in the world: Physical and chemical properties United States Europe Canada Japan China Brazil South Korea Italy SiO2 (%) ≥ 85.0 ≥ 85.0 ≥ 85.0 ≥ 85.0 ≥ 85.0 ≥ 85.0 ≥ 85.0 ≥ 85.0 SO3 (%) < 2.0 < 1.0 < 3.0 < 3.0…