Tungsten Trioxide (Yellow Oxide)
CAS NO. 1314-35-8
EINECS No. 215-231-4
H.S. CODE: 2825.90.400.0
MAIN APPLICATIONS:
1. Hydrogen reduction to the pure Tungsten Metal Powder.
2.1. Sintering of Tungsten Metal Powder to Tungsten Metal Bars, Rods, Electrodes, Strips, Foil, lighting filaments and other flat and round rolled and milled products.
2.2. Carbonization to Tungsten Carbide Powders and further mixing with Co for production of WC+Co mixed powders and formulations with other metals (Ta,Ti) for further sintering into Tungsten shaped products: cutting tools, drilling bits and cemented carbides.
SECONDARY APPLICATIONS:
Pigment and cementing element for ceramics industry.
*all the information mentioned is for indicative purposes only and can vary from lot to lot
| QUALITY SPECIFICATION | |||||
|---|---|---|---|---|---|
| PHYSICAL PROPERTIES | MAXIMUM IMPURITIES CONTENT, % | ||||
| PARAMETERS | GARANTEED VALUE | ELEMENTS | CONTENT, MAT., РРМ | ELEMENTS | CONTENT, MAT., РРМ |
| Appearance | Yellow-green fine powder | AI | 10 | Мо | 30 |
| Particle Size (FSSS), pm | 9 - 13 g/cm3 | As | 10 | Na | 10 |
| Bulk Density, g/cm3 | 2 - 3 | Са | 8 | P | 10 |
| CHEMICAL COMPOSITION (in absolut dru weight) |
Cr | 10 | s | 10 | |
| Fe | 10 | Si | 10 | ||
| Wo3 content, %, min: | 99,97 | K | 10 | ||
| Mg | 10 | ||||
PACKING: 2000 kg net big-bags (1000x1000x800mm) with PE lining stacked on 1200x1200mm fumigated wooden pallets or 200kg net steel drums with single/double PE inserts (4 drums per pallet) stacked on 1000x1000mm fumigated wooden pallets.
RANSPORTATION INFORMATION: Land transport: DOT(USA)/TDG(Canada): not regulated, RID/ADR class: not regulated, Shipping name: Tungsten Trioxide (Yellow Oxide);
Sea transport: IMO/IMDG code: not restricted, Ship-ping name: Tungsten Trioxide (Yellow Oxide); Air transport: ICAO/IATA class: not controlled, Shipping name: Tungsten Trioxide (Yellow Oxide).
LABELLING: R/S phrases : R36/37/38, S26, 36