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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)

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

   10μm, % ≥

80

    5μm, % ≥

60

    2μm, % ≥

25

 


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