Dear Sir,
This is Vu from Vietnam, I need the following product:
Antimony Trisulfide Powder (Sb₂S₃), quantity: 1000 kg
1. Antimony (Sb) content ≥ 65.0 %
2. Free sulphur content ≤ 1.5 %
3. Combined sulphur content 25.0 – 28.3 %
4. Insoluble substances in HCl ≤ 5.0 %
Can you send me a quote, COA?