... 95%1, Best quality & competitive price 2, ISO facility CAS 1305-62-0 High grade industrial grade calcium hydroxide 95%1, Best ... high basicity, highly hygroscopic, density: 2.24, bulk density: 0.45-0.60, soluble in acids, insoluble in water, insoluble in alcohols ... .05Insoluble hydrochloride0.56Aluminum Oxide0.57325 Mesh residue5.0200 Mesh residue1.0