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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


	Pecipitated barium sulfate
	Properties: Colorless orthorhombic crystals. Appearance is amorphous white powder. Specific gravity 4.50(15°C) Packaging: 25kg plastic woven bag lined with plastic bag. 25kg PE+PAPER bag or with pallet 500kg PE bag or with pallet Storage: Stored in cool and dry place. Use: I type: Mainly used in powder coating industry. This barium sulphate's distribution of particle size is narrow.Features include thin coating, good leveling and strong refraction. II type: Mainly used in paint, ink, paint,rubber, plastics batteries and other industries. It can effectively enhance the mechanical properties of engineering plastics, high-grade electrical insulation plastic, rubber products. It has a strong anti-radiation capacity.

Item	Index(GB/T 2899-2008)
Item	Top quality	First quality
Barium sulphate (dry) ω/% ≥	98	97
Volatile on 105°C ω/% ≤	0.30	0.30
Water soluble ω/% ≤	0.30	0.30
Fe ω/% ≤	0.0040	0.0060
Whiteness ≥	94	92
Oil absorption /(g/100g)	10–30	10–30
PH value100g/L	6.5-9.0	6.5-9.0
Fineness ( residue on 45μm sieve) (45μm) /% ≤	0.20	0.20

Distribution of Particle size