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We are the professional manufacturer of chemical products and chemical raw materials. We offer the best services. We mainly deal in Sodium Tripolyphosphate, Iron Oxide Red, Black Iron Oxide , Carbon Black , Sodium Metasilicate, Potassium Hydroxide, Sodium Hexametaphosphate, Sodium Dithionite, Caustic Soda, Poly Aluminium Chloride and so on. Description: Name: Sodium Metasilicate, Materialization nature : non-toxic, tasteless, pollution-free white crystalline granular, easy soluble in water, insoluble in alcohol or in acid. The solution is alkaline, which presents detergency, emulsibility, dispersity, wettability, permeability and the buffer ability to the PH value, belonging to inorganic salts product, very hygroscopic and deliquescet when exposed to the Use: In wash industry, textile industry, Paper & Printing Industry, ceramic industry, metallurgical industry, construction field ect Packing: *5kg in PPbag or packed according to requirements. Specification: Na2SiO3 H2O quality standards(HG/T******4) ITEM NATIONAL QUALITY INDEX TESTING RESULT Sodium oxide(Na2O)% *0.*0±1.*0 *1.*4 Silica(SiO2)% *6.*0±1.*0 *6.*3 Iron(Fe)% ≤**0ppm *7 Bulk density(g/cm3) 1.***1.*5 1.*3 Particle Size(****5mesh)% ≥*3.0 *9.*6 Whiteness ≥*5 Na2SiO3 9H2O quality standards(HG/T******4) ITEM NATIONAL QUALITY INDEX TESTING RESULT Sodium oxide(Na2O)% *8.***0.0 *8.9 Silica(SiO2)% *7.***9.2 *7.7 Iron(Fe)% ≤0.*3 0.**5 Water-insoluble substances% ≤0.2 0.*5 Whiteness ≥*5 *5 Na2SiO3 5H2O quality standards(HG/T******4) ITEM NATIONAL QUALITY INDEX TESTING RESULT Feel free to contact for details, Regards,