Fine Precipitated 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
|
|
Moisture % ≤
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0.30
|
0.20
|
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Water solubles % ≤
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0.30
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0.30
|
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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
|
|
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
|
80
|
80
|
95
|
|
60
|
60
|
90
|
|
25
|
25
|
80
|
|
Grain diameter (D50) μm
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___
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0.6～0.8
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Features:
Adopting domestic advanced synthesis technology, its inner quality control standard is significantly higher than the national standard. With high main content, narrow size distribution and ultra-fine, high whiteness and low iron content. In ultrafine processing and advanced production technology, barium sulfate has excellent dispersion to make products with particularly superior processing performance. In application process, it has good dispersion and compatibility with other media systems. Without mechanical impurities, 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.
Applications:
Widely used in paints, printing inks, coatings, plastics, rubber, chips, 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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