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Sodium silicate
Product name Sodium silicate
Alias Silicic acid, sodium salt; Sodium silicate solution; Agrosil LR; Agrosil S; Britesil; Britesil H 20; Britesil H 24; Carsil (silicate); Caswell No. 792; DP 222; Dryseq; EPA Pesticide Chemical Code 072603; HK 30 (van); HSDB 5028; L 96 (salt); Metso 99; N 38; Portil A; Pyramid 1; Pyramid 8; Sikalon;?
CAS RN 1344-09-8;106985-35-7;11105-00-3;37299-97-1;12013-79-5
EINECS No. 215-687-4
Molecular formula Na2SiO3
Molecular weight 100.0814
Properties Properties Colorless, light yellow or cinerous transparent viscous liquid.
Solubility Soluble in water and presents alkaline.
Uses As adhesive, detergent, filler of soap, soil stabilizer, dyeing auxiliary, sizing agent and bleacher of textile industry, flotation agent, etc.

  Quality standard of sodium metasilicate anhydrous (HG/T2568-2008)

Item National superior product index Product test results
Sodium oxide (Na2O)% 50.0-52.0 51.6
Silicon oxide (SiO2)% ≥45 45.9
Water insoluble matter % ≤0.25 0.01
Iron content (Fe)% ≤0.03 0.01
Whiteness ≥75 88

Quality standard of sodium metasilicate pentahydrate (HG/T2568-2008)

Item National superior product index Product test results
Sodium oxide (Na2O)% 28.7-30.0 28.9
Silicon oxide (SiO2)% 27.8-29.2 28.2
Water insoluble matter % ≤0.05 0.01
Iron content (Fe)% ≤0.01 0.005
Whiteness ≥80 90

Quality standard of sodium metasilicate nonahydrate (HG/T2568-2008)

Item National superior product index Product test results
Sodium oxide (Na2O)% 21.5-23.0 22.1
Silicon oxide (SiO2)% 21.0-22.5 21.9
Water insoluble matter % ≤0.05 0.01
Iron content (Fe)% ≤0.015 0.005
Whiteness ≥80 90
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