????Product name: Aluminium metaphosphate

????Cas No: 13776-88-0

????Molecular formula: AI(PO3)3

????Molecular weight: 263.90

????Optical specific grade

????PH??2.4

????Refractive index??1.545

????Storage??Sealed dry preservation

????Appearance??Glass state powder, insoluble in water.

????Purity??99%

????P2O5(wt%)??80%??1%

????AI2O3(Wt%)??19%??1%

????Free phosphoric acid(wt%)????0.02%

????loss on ignition(wt%)??0.02-0.035%

????Fe??2PPM

????Cu??0.1PPM

????Ni??Co??Mn??Cr altogether??1PPM

????Application: Used for special optical glass, used as additive for phosphate glass, fluorine phosphate glass and laser fusion glass.

????Packaging??25KG/bag, or according to customer's requirement