Date of issue：2024/2/29 15:28:26 Number of visits：48
Product name :Niobium Metaphosphate
Molecular formula: Nb (PO3) 5
Molecular weight: 487.90
PRODUCT PROPERTIES:
Niobium metaphosphate glass, white powder, insoluble in water, PH: 3.8
APPLICATION:
Mainly used in special optical glass, phosphate glass, fluorophosphate glass and laser fusion glass additives, aluminum metaphosphate in fluorophosphate glass than other metaphosphate better moisture resistance and higher refractive index, Abbe number is also larger, so that the UV part of the glass is relatively low, chemical stability and mechanical strength is high. Its chemical stability is three orders of magnitude higher than that of zirconium fluoride based glass.
CHEMICAL PARAMETERS:
|
NO. |
Technological Specification |
Standard |
|
1 |
Purity |
99.0% |
|
2 |
P2O5 content |
45-50% |
|
4 |
Free phosphoric acid |
0.02% max |
|
5 |
Weight loss on ignition |
0.02% max |
|
6 |
Fe |
1.5-3PPM |
|
7 |
Cu, Co,Mn, Cr, Ni, V, Ti |
1 PPM max |
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