Total alkali (as Na2O): 9.2 – 9.7%. Also known as waterglass or liquid glass, these materials are available in aqueous solution and in solid form. AB30, 33-36, 37-38, 41-43, 45-56 / FK19-21 / IV1-20,21-25,30-37, 40, 52-54, 63 / PH15-26, 30-41, 49-50 / PA21-35,37-39, DD8-9 / KW 1-14 / PA 36, 40.
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