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Sodium metasilicate ph alkaline

　　Sodium metasilicate pentahydrate, its formul is Na2SiO3•5H2O, PH value is around 12.4, melting point 1089 ℃, the spraying is mainly sodium metasilicate, PH value is as high as 11 or more.

　　The activity and PH buffer of sodium metasilicate is the highest of all inorganic electrolyte, there is a strong wetting, emulsifying and fat saponification role in the removal of dispersed and suspended dirt has excellent performance, and it can stop dirt redeposition.