Leather product

product name
Sodium Sulphide

Property

yellow or red flakes,Soluble in water, slightly soluble in alcohol, insoluble in ether; decomposition into acid; easily oxidized when exposed to air. Melting point is 11800C; specific gravity is 1.856(140C)

Specification

Parameters
30PPM
80PPM
150PPM
300PPM
1500PPM
Na2S:
60% MIN
60% MIN
60% MIN
60% MIN
60% MIN
Na2CO3:
2.00% MAX
2.00% MAX
2.00% MAX
5.00% MAX
5.00% MAX
Fe:
0.003% MAX
0.008% MAX
0.015% MAX
0.03% MAX
0.15% MAX
Water insoluble:
0.05% MAX
0.2%MAX
0.2% MAX
0.4% MAX
0.4% MAX

Packing

25kg pp bag

Direction For Use

Sodium sulfide (containing low iron) is mainly applied to the industries of super leather marking, pharmacy, super dyeing, dyeing printing, paper marking and mineral choosing.

Other Name

硫化碱