Purchase Qty. Reference FOB Price
10-19 Tons US$780.00
20+ Tons US$750.00
Product Description
Sulphur Black BR/2BR 200%/220% from ISO factory 1. Sulphur Black dyestuff Molecular Formula:C2S Appearance: Black powder Sulphur Black used in dyeing paper Main features: A,Strength 200%(full). B,Standard greenish and reddish tone C,Can be dissolved directly in water without adding any sodium ...