Sodium metasilicate pentahydrate

Sodium metasilicate pentahydrate Na2SiO3 5H2O (granular) ITEM NATIONAL QUALITY INDEX Sodium oxide(Na2O)% 28.00_30.00 Silica(SiO2)% 27.00_29.00 Water insoluble% ≤ 0.2 Iron(Fe)% ≤ 0.03 Whiteness ≥ 75 Particular Size(16_30mesh)% ≥ 90 pH(1%SOLUTION) 12.5+/-1 Na2SiO3 5H2O (powder) ITEM NATIONAL QUALITY INDEX Sodium oxide(Na2O)% 28.50_30.00 Silica(SiO2)% 27.30_29.20 Water insoluble% ≤ 0.2 Iron(Fe)% ≤ 0.03 Whiteness ≥ 75 pH(1%SOLUTION) 12.5+/-1 Packing The inner bag is sealed PE plastic bag while the outer bag is tidely sutured plastic woven or kraft bag. Net weight: 25kg Packed in accordance with the requirements.