This standard specifies mass requirements for sulfide black 3B, 4B, 3BR, 2RB (sulfide black BN, BRN, B2RN, RN, C.I. sulfide black 1), including sampling, test methods, inspection rules, marking, labeling, Encasement, transportation and storage. It applies to product quality control of these sulfide black dyestuffs to ensure performance and conformity in Spinning & weaving and Miscellaneous applications. The standard includes the determination of the color light and intensity of sulfur dyes, the content of insoluble substances, the fineness of sieving and moisture, and refers to a number of relevant standards, such as the color fastness test method of Spinning & weaving products and the general principles of chemical product sampling.
| Status | Active |
|---|---|
| CCS | G57 | ICS | 87.060.10;71.100.01 |
| Release Date | 2013-07-19 00:00:00 | Implementation Date | 2013-12-01 00:00:00 |