... max.Water insolubility, %0.30 max.Whiteness,%75 min.Applications:Sodium metasilicate has strong alkalinity and good buffering ability. It can neutralize ... in home and industrial detergent, such as detergent powder, food cleaner, metal cleaner, washing carbonated drink bottles, printing aid for textile, deinking ... away from heat. Store at temperatures less than 40°C. Sodium Metasilicate Pentahydrate