Clocks for sale,Customelized Clock,Chem Productions for sale,Pecipitated barium sulfate,Sodium sulfide with low ferric for sale, Goodtime clock


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