Common info:
Usage: for building materials, products, constructions and works. |
CAS number: 7631-86-9 |
Formula: SiOz |
State standards of Ukraine B V.2.7-32-95 |
Harmonize Commodity Code 2505100000 |
Chemical analysis:
Contents, % | GUARANTEED | TYPICAL |
SiO2 min | 50 or 70 | 98-99 |
Fineness Modulus, max | Not rated | 1,0-1,3 |
Slime & clay particles | 5 | < 0,3 |
Specific activity of the natural radionuclides, kBq/ kg | Not rated | < 0,01 |
Moisture, max | Not rated (usually 0,5 according to the contract) | od |
Physical description and properties:
Appearance: White dry free running sand. |
Grain shape: spherical, good rolled. |
Grain color: colorless, white. |
Minerals | Contents, % |
Quartz: | 99 |
Rutile: | < 0,05 |
Zircon: | < 0,05 |
Ilmenite: | < 0,05 |
Kyanite: | <0,1 |
Clay: | <0,5 |
Storage: at unequipped spaces. Terms of storage unlimited.
Refractory: | 1645 -1770 °С |
Specific Gravity: | 2650 kg/m3 |
Bulk density: | 1500 kg/m3 |
Grain size: | бЗ-бООmkm |
Specific surface, max: | 10m2/ kg |
Flashing point: | Nonflammable |
Solubility in Water: | Insoluble |
Angle of friction: | 33° |
Hardness: | 7 |
Sieve Aperture (microns) | Cumulative retained, % |
315 | 25 max |
160 | 90 max |
-160 | 3 max |