Origin
In Seller’s Option
Tariff No.
2841 8000 10
Quality
|
WO3 (Tungsten Trioxide) |
88.5 | % min. |
| Al | 10 | ppm max. |
| As | 5 | ppm max. |
| Bi | 5 | ppm max. |
| Ca | 10 | ppm max. |
| Cd | 5 | ppm max. |
| Co | 5 | ppm max. |
| Cr | 5 | ppm max. |
| Cu | 5 | ppm max. |
| Fe | 10 | ppm max. |
| K | 10 | ppm max. |
| Mn | 10 | ppm max. |
| Mg | 10 | ppm max. |
| Mo | 20 | ppm max. |
| Na | 10 | ppm max. |
| Ni | 5 | ppm max. |
| P | 10 | ppm max. |
| Pb | 5 | ppm max. |
| S | 10 | ppm max. |
| Sb | 5 | ppm max. |
| Si | 10 | ppm max. |
| Sn | 5 | ppm max. |
| Ti | 5 | ppm max. |
| V | 5 | ppm max. |
Form
White finely divided free-flowing crystals
Packaging
Packed in polythene-lined iron drums, of uniform net weight per lot, each 100 or 200 KG net.
Lot Size & Tolerance
Minimum 1 Full Container Load = 18 MT (+/- 2 %)
Documentation
Standard documentation, as per MMTA Consolidated Regulations, plus detailed packing list and producer’s original, or photocopy of, producer’s quality certificate.
Weighing & Sampling
As per MMTA Consolidated Regulations.
Other Notes
APT is priced in $/MTU (metric ton unit), or less often in $/STU (short ton unit). 1 MTU of APT contains 10 kgs of WO3.
Using atomic weights: W = 184, O3 = 48, WO3 = 232, W portion = 184/232 = 79.31%.
79.31% of 10 kgs = 7.931 kgs W.
