1. Size(mesh): 120,200,325,400,500,800,2000,5000 2. Use: hot solid plastic, thermoplastic, rubber, coating, build. Al(OH)3 or Al2O3.3H2O Molecular weight: 781. Technical IndexItemChemical composition(%)Al2O3 not less thanLOI not more thanImpurity not more thanSiO2Fe2O3Na2OAH-164.5350.020.020.4AH-264.0350.040.030.5AH-363.5350.080.050.6Physical feature: there are mainly 4sizes of aluminum hydroxide ...