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Standard
| GB/T 1655-1997 Sulphur black 3B, 4B, 3BR, 2RB (Sulphur black BN, BRN, B2RN, RN) (English Version) |
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Detail of GB/T 1655-1997
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Introduction of GB/T 1655-1997
本标准规定了硫化黑3B、4B、3BR、2RB的要求、采样、试验方法、检验规则以及包装、标志、运输和贮存。本标准适用于2，4－二硝基氯苯水解后与多硫化钠作用所得到的硫化黑产品。硫化黑按应用方法分类属于硫化染料，主要用于棉、麻纤维的染色，也可用于粘胶和人造丝类纤维的染色。尾称中3B、4B、3BR、2RB分别表示对应的染料之间色光的差异。
Contents of GB/T 1655-1997