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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    
 
Sodium sulfide with low ferric
 

Properties: Yellow solid, corrosive, hygroscopic, easily soluble in water. Aqueous solution appears alkali.
Packaging: 25kg grey webbing bag lined with plastic film.

Use: Mainly used in producing polyphenylene sulfide resin, high-grade sulfur dyes, high quality leather and paper etc..

Technical index:

Item\index GB 10500-2009

 

First quality

 

Na2S ω/ %≥

 

60

 

Fe ω/ ppm≤

 

0.0030

 

Water insoluble ω/%  ≤

 

0.05

 

Na2CO3 ω/%  ≤

 

---

 

Na2SO3 ω/%  ≤

 

---

 

Na2S2O3 ω/%  ≤

 

---

 

Appearance: yellow flaky , even size without lumpy matter, thickness≤2mm


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