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1. Origin

In Seller's Option

2. Tariff No.

2841 8010

3. Quality

WO₃ (Tungsten Trioxide)
Al
As
Bi
Ca
Cd
Co
Cr
Cu
Fe
K
Mn
Mg
Mo
Na
Ni
P
Pb
S
Sb
Si
Sn
Ti
V

88.5
10
5
5
10
5
5
5
5
10
10
10
10
20
10
5
10
5
10
5
10
5
5
5

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4. Form

White finely divided free-flowing crystals.

5. Packaging

Packed in polythene-lined iron drums, of uniform net weight per lot, each 100 or 200 KG net.

6. Lot Size & Tolerance

Minimum 1 Full Container Load = 18 MT (+/- 2 %)

7. Documentation

Standard documentation, as per MMTA Consolidated Regulations, plus detailed packing list and producer’s original, or photocopy of, producer’s quality certificate.

8. Weighing & Sampling

As per MMTA Consolidated Regulations.

9. 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.