| Water Soluble Sulphur Black B 1. Usage: water soluble sulphur black b was developed by our plant in 1990 and is a new product in china. it can be directly solved in water, giving level dyeing fixity. it is used more popularly than sulphur black br 200%.it can de used in the dyeing of mother starch of cotton, liven, and viscose, vinilon cotton, vinilon, leather etc. and also in filament drawing, filamew folding, dipping dyeing and rolling dyeing after coloring viscous starch.no anti-brittle treatment is necessary after dyeing. 2. Technical indexes: | appearance: | black uniform powder | | strength (point): | 100 to the standard sample | | soludility at 50℃ g/l: | ≥200 | | insoluble matter in na2s ： | ≤0.40% | | moisture: | 5% |
3. Package:50kgs iron drum,25kgs iron drum. |
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