Aluminum metaphosphate
Molecular formula: Al(PO3)3 Molecular weight : 263.90
Uses: Mainly used in special optical glass, Phosphate glass, fluoride Phosphate glass and additive of laser fusion glass.
Property:
CAS#: 13776-88-0 Customs No.: MSDS: Risk No.:
Product specification |
High pure grade |
Export grade |
Industrial grade |
Standard |
SEMI C1 |
Mint Standard |
Mint Standard |
Appearance |
vitresence powder |
vitresence powder |
vitresence powder |
Assay |
≥99.5% |
≥99.0% |
≥98.5% |
P2O5 |
77.5-82.5% |
77.5-82.5% |
76.5-80.5% |
Al2O3 |
≥18.5% |
≥18.5% |
≥18.5% |
Free phosphoric acid |
≤2.0% |
≤3% |
≤5% |
SO3 |
≤200ppm |
≤0.2% |
≤2.0% |
Cl |
≤200 ppm |
≤0.2% |
≤2.0% |
Cu |
≤5 ppm |
≤0.005% |
≤0.05% |
Fe2O3 |
≤5 ppm |
≤0.005% |
≤0.05% |
Na |
≤10ppm |
≤0.01% |
≤0.1% |
Pb |
≤10ppm |
≤0.01% |
≤0.1% |
Arsenic (As) |
≤1ppm |
≤0.001% |
≤0.01% |
Cr |
≤5ppm |
≤0.005% |
≤0.05% |
Mn |
≤5ppm |
≤0.005% |
≤0.05% |
Ni |
≤5 ppm |
≤0.005% |
≤0.05% |
Loss on dry |
≤0.5% |
≤1.0% |
≤1.5% |
Supply reference |
Production process |
synthesis method |
synthesis method |
synthesis method |
Granularity (U.S.SCREEN) mesh |
90% pass 20-100 mesh |
90% pass 20-100 mesh |
90% pass 20-100 mesh |
Packing |
25KG composite bag/16T/(20')FCL |
25KG composite bag/16T/(20')FCL |
25KG composite bag/16T/(20')FCL |
Specification of price |
FCL |
FCL |
FCL |
Price CNY/T |
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Validity period of quoted price |
3 months |
3 months |
3 months |
Note: special requirements are negotiable for customers with specific specifications. |