Hangzhou Ocean Chemical Co., Ltd.

　　Product name: Calcium metaphosphate

　　Cas No: 123093-85-6

　　Molecular formula: Ca(PO3)2

　　Molecular weight: 198.2

　　Optical specific grade

　　Melting point：975°C

　　Relative density：2.82

　　Storage：Sealed dry preservation

　　Appearance：Glass state powder, insoluble in water, acid and alkali.

　　Purity：99%-99.9%

　　P2O5(wt%)：65%±1%

　　GaO(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: Mainly used in special optical glass and special protective glass and radiation resistant optical glass materials, used as additives in phosphate glass, fluoride phosphate glass and laser fusion glass.

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