Mainly used for production of cotton, viscose cellulose fiber and cotton fiber blended products a sulfur dyes dyeing. Alias: sulphur black. Curing. Curing black Color index: CI. Sulfur Black 1 (53185) Technical indicators: Appearance: black powder Color: with standard approximation (red. Green light) Strength, divided into: 100%-200% ± 3 Color fastness: symbol standard Moisture,%: ≤ 5 Impurity content is not soluble in sodium sulfide solution: ≤ 1 Mositure 6%max Strength 220% Insolubles in Na2S 0.7%max Free sulphur 0.5%max Fineness:(Residue on 20 mesh size) 5%max Yarn Feeder Accessories,Yarn Feeder Parts,Yarn Feeder Metal Accessories,Yarn Feeder Spare Parts Changzhou Longfu Knitting Co., Ltd. , https://www.circularmachine.com
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