Product Name: Sodium metasilicate, H2O, 5 H2O, 9 H2O, Anhydrous, Pentahydrate, Model NO.: H2O, 5 H2O, 9 H2O Grade Standard: Industrial Grade Appearance: Powder Type: Sodium Silicate Purity: 90%~99% Certification: CIQ, ISO, SGS CAS No.: 6834-92-0 CAS No.: 6834-92-0 Einecs No.: 229-912-9 Mf: Na2sio3(Na2o.Sio2) Trademark: LY Transport Package: Plastic Bag Specification: SGS ISO Origin: Shandong HS Code: 2804619011 Product Description Our advantage:1. Factory price,2. Good Quality,3. Free sample,4. ISO Cerficate,5. A long stable supplier,6. Good support to you```````````````````````````````````````````````````````````````````````````````````````````````````````````````````````SpecificationsAnhydrous Sodium metasilicateProperties:1. White grain or lump2. Density: 0.7-0.93. Soluble in water, Insoluble in and acid, alkali in aqueous solution. In the air easyly moistured,PURPOSE:1. Daily chemical industry: Raw materil of detergent and soap2. Light industries: Ceramic binder, Floor tile adhesives, Welding wire of adhesive.3. Chemical industry: Used as flame retardant filling agent, cleaning agents, rust-proofing agents.4, Construction industry: Used as Cement additives, road repair strength agent.5, metallurgical industry: No stereotypes refractories binder, furnaces patching material, binder and casting sand in the industry binder.ITEMTesting resultSodium oxide(Na2O)%20.0-22.0Silica(SiO2)%19.0-22.0Water insoluble%≤0.30Iron(Fe)%≤0.05Whiteness≥70Na2SiO35H2O(lzl-5)ITEMNATIonAL QUALITY INDEXSodium oxide(Na2O)%28.50_30.00Silica(SiO2)%27.30_29.20Water insoluble%≤0.2Iron(Fe)%≤0.03Whiteness≥75PH(1%SOLUTION)12.5±1.0%Na2SiO3 (lzl-0)ITEMTesting resultSodium oxide(Na2O)%50.0-52.0Silica(SiO2)%≥45.0Water insoluble%≤0.25Iron(Fe)%≤0.03Whiteness≥75