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Contact SupplierProperties | Unit | Value |
---|---|---|
SiO2 | % | 99.70% (00.20%) |
Fe2O3 | % | 00.04% (max) |
Al2O3 | % | 00.12% (00.05%) |
Cr2O3 | % | 0.00040 (max) |
TiO2 | % | 0.02 |
LOI | % | 0.17 |
Refractive index | — | 1.544 – 1.553 – Dr + 0.009 (B – G interval) |
Specific gravity | — | 2.65 constant; variableinimpure varieties |
Melting point | — | 1650 (75)oC |
Streak | — | White |
Boiling point | — | 2230oC |
Crystal system | — | Trigonal |
Solubility | — | H2O insoluble |
Millimetres Scale | ASTM Scale |
---|---|
38 Microns | 400 & 200 Mesh |