CAS:1327-85-1
分子式:

产品通用描述：
Features:
1) Appearance: red brown powder
2) Strength: 100% ± 3 (compared with standard)
3) Impurities insoluble in sodium sulfide: max. 1.5%
4) Moisture: ≤5%
5) Ratio between sodium sulphide (50%) and dye: 1:1
6) Dip-dye temperature: 90 - 95°C
7) Fineness (sieved residue through 80°C mesh): 5%

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