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Pecipitated barium sulfate Modified superfine precipitated barium sulphate
Anhydrous sodium sulfide Crystalized sodium sulfide Sodium sulfide with low ferric
Thermosetting powder coating    
 
Crystalized sodium sulfide (Na2S.5½H2O)
 

Properties: Appearance white granules.
Packaging: 25.0kg/bag. Inner bag is double-layer plastic bag, sealed by heat; outer bag is woven bag, sewn by machine.
Use: Mainly used in engineering plastics, rubber, silicone, chemical cleaning agents, medicines, health food and additive industry.

Technical index: Na2S.5½H2O:

Item / Index by Company:  

 

First quality

 

(Na2S), ω/% ≥

 

44

 

(Fe), ω/%  ≤

 

0.0008

 

Water insoluble, ω/% ≤

 

0.04

 

Sodium carbonate,ω/%  ≤

 

0.2

 

Na2SO3ω/%  ≤

 

0.4

 

Na2S2O3ω/%  ≤

 

0.8

 

Appearance: white crystalline granules


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