活性硅酸钙 高品质 精细化工 食品级硅酸钙 鑫浩达厂家直销

Item Standard Result SiO2 % ≥62 63.78 CaO % ≤22 18.82 Loss on drying % ≤8 5.12 Loss on ignition % ≤12 11.66 Iron (Fe) ≤50ppm ＜15ppm Heavy Metals(Pb) ≤20ppm ＜5ppm Arsenic(As) ≤3ppm ＜1ppm Fluorine (F) ≤20ppm ＜10ppm Mercury (Hg) ≤1ppm ＜1ppm Average particles diameter (μm) 15 12 Calcium Silicate(dry basis)% ≥ 99 99.16 Appearance White powder