Specifications︰
Molecular formula: Na2Al4Si6S4O20 Items: Grade 462 Shade (compared with the standard sample):same as the standard sample Tinting Strength % (compared with the standard Sample):same as the standard sample ¡À5% Water Soluble Matter:1.0 % Max. Free Sulphur:0.3 % Max. Moisture (105¡À2¡æ): 1.0% Max. Residue (325 holes Mesh):0.5% Max.
