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 5% Water Soluble Matter:1.0 % Max. Free Sulphur:0.3 % Max. Moisture (1052): 1.0% Max. Residue (325 holes Mesh):0.5% Max.