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Contact Person Ms. anna
Hexi, Tianjin, Tianjin
Product Description 1. Product Name: Sulphur Black/Sulfur Black 2. CAS No: ********5 3. HS Code: *********0 4. Molecular formula: C6H4N2O5 5. Appearance: Black powder granule 6. Usage: Mainly used dyeing oncotton, also used dyeing on cambric, viscose and vinylon 7. Manufacture for Sodium Silicate