HENAN WELONG IMP. & EXP. CO., LTD.
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Sulphur Black
1. Properties: Black Powder
2. Specifications :
Items |
Standard |
Moisture |
0.7% max |
Insoluble Na2S |
0.5% max |
Free Sulphur |
0.5% max |
3. Usage: Mainly used as dyestuffs in the textile dyeing industry
