Listing ID #233806
Company Information
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Contact Supplierthe silicon dioxide that we offer is used extensively in several industries. The high quality silicon dioxide that we offer is pure and free from impurities. We ensure that the silicon dioxide that we offer conforms to the quality standards demanded by the industry. This silicon dioxide is available to the clients at reasonable prices. available in forms
Property | Description |
---|---|
Color | Clear (in pure form) |
Crystal habit | 6-sided prism ending in 6-sided pyramid (typical) |
Crystal system | Trigonal |
Cleavage | None |
Fracture | Conchoidal |
Mohs scale hardness | 7 - lower in impure varieties |
Luster | Vitreous |
Refractive index | 1.544-1.553 - Dr +0.009 (B-G interval) |
Streak | White |
Specific gravity | 2.65 constant; variable in impure varieties |
Melting point | 1650 (±75)oC |
Boiling point | 2230 |
Solubility | H2O insoluble |
Analyte | SSW | Semi | General |
---|---|---|---|
SiO2 | 99.80% (± 00.20%) | 98.30% (± 00.20%) | 96.50% (± 00.30%) |
Al2O3 | 00.03% (± 00.05%) | 00.50% (± 00.10%) | 00.80% (± 00.10%) |
Fe2O3 | 00.05% (max) | 00.085% (max) | 00.20% (max) |
K2O | 25 ppm (max) | 00.001% (max) | 00.20% (± 00.05%) |
Na2O | 40 ppm (max) | 00.001% (max) | 00.09% (max) |
TiO2 | Nil | Traces | Traces |
LOI @ 1000oC | 00.05% | 00.10% | 00.10% |