Super Fine Silica Fume / Silica Sand; Fused Silica Sandy as Refractory Raw Material

Product Name: Super Fine Silica Fume / Silica Sand; Fused Silica Sandy as Refractory Raw Material Model NO.: Silica Sand Appearance: Granule Color: White EINECS: N/M Formula: N/M CAS No.: N/M Trademark: YX Transport Package: 25kg/Bag Specification: 99%min Origin: China HS Code: 35030010 Product Description Pure silica sandWhite silica sand is processed from the quality silica stone with high content of SiO2 and low impurity. Widelyused for producing optical glass, refractory material and foundry.ItemGrade 1Grade 2Grade 3Grade 4SiO299.9%min99.8%min99.7%min99.5-99.6minFe2O330ppm60ppm100ppm150-300ppmWhite Silica Sand for optical glass,for its high content of SiO2, and low impurity.Refined Silica Sandis processed from natural silica stone, for its high content of SiO2 and low impurity.High purity White silica sandwidely used for producing optical glass , refractory material, metallurgy, ceramic, foundries and abrasives etc.