Sulphur Black BR, also know as Sulphur Black 1 is one popular sulphur dye for dyeing cotton especially dyeing denim. There are Sulphur Black B and Sulphur Black BR two main color shade. Price is affordable.
Sulphur Black is one common Sulphur dye for Cotton Flax Leather and Jeans. It’s cost-effective dye and very popular in markets.