High Purity Barium Sulfate
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Item
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Index
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GB/T2899-2008
First-class
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Results
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Barium sulfate (by dry basis) % ≥
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97.0
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97.5
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Moisture % ≤
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0.30
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0.20
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Water solubles % ≤
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0.30
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0.20
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Iron (Fe) ≤
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0.006
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0.004
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Whiteness ≥
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92.0
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97.0
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Oil absorption g/100g
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10～30
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15～25
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PH value
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5.5～9.5
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5.5～9.5
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Fineness (Sieve residue of 325-mesh test sieve) % ≤
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0.2
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0.2
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Particle size distribution
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80
|
95
|
95
|
|
60
|
90
|
90
|
|
25
|
80
|
80
|
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Grain diameter (D50) μm
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—
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0.6～0.8
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Features: After ultrafine processing by advanced organic modification technology, barium sulfate has high purity and narrow size distribution. The unique organic modification technology endows the product with excellent dispersion and processing property. In application process, it has good dispersion and compatibility with other media systems. It is the product with high quality and superior performance in domestic like products, and can absorb X-rays, γ rays, as well as effectively improve the product surface gloss and surface hardness, featured by high whiteness, high purity, low iron content (inner control standard significantly higher than national standard requirements) and no mechanical impurities.
Applications: Paint, printing ink, coatings, plastics, rubber, engineering plastics, friction plate, ceramics, glass, electronics, cosmetics and other fields.
Packaging: It is packaged in plastic woven bag lined with plastic film bag or kraft paper, with net weight 25kg/bag, and can be packaged according to user requirements
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