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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