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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
Anhydrous sodium sulfide
Properties: Appearance is light yellow small granules.
Packaging: Net Wt:12.5kg/bag. Inner bag is double-layer plastic bag, sealed by heat; Outer bag is woven bag, sewn by machine.
Use: Good material of PPS, or used in the production of pharmaceutical intermediate, intermediate of beauty products and food additives.

Technical index:

Item\index

Top quality

First quality

Qualified product

Na2S ω/% ≥

96

94

92

Na2SO3+Na2S2O3  ω/% ≤

3

3

3

Fe ω/% ≤

0.0008

0.0009

0.0010

Water insoluble ω/% ≤

0.03

0.05

0.05

 

1.0

 

 

Appearance :    light yellow small granules

 
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