タイトルまたは説明

Ultra white quartz Sand (powder) is made from high purity and very white quartz stone, by grinding and classification. It is very pure and white crystal , It mainly be used as the filler at epoxy resin, plastic and others. Also used for materials for optical glass, ceramic, Silicon Rubber, artifical marble and aquarium substrate etc. 　　Chimical Composition: 　　SiO2: *9.5%min to *9.*8%min 　　Fe2O3: 5pp max. to *0pp max. 　　Whiteness : *0 Min to *5 Min 　　Physial Properties: Appearance: White Powder or granules Specific Gravity: 2.*5(Arround) Hardness (Mohs): 7 PH: **8 　　Particle Size available: ***0mesh, ****0mesh, ****0mesh, ****0mesh, *****0mesh, 　　　　　　　　　　　　　　　　 ***0mesh, ***0mesh, ***5mesh,