Barium Sulfate for Electric Ink
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Item
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Index
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Barium sulfate (by dry basis) % ≥
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97.0
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Moisture % ≤
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0.3
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Iron (Fe) PPm ≤
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10
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Whiteness ≥
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96.0
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Oil absorption g/100g
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15～25
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PH value
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6.5～9.0
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Fineness (Sieve residue of 325-mesh test sieve) % ≤
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0.2
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Grain diameter (D50) μm ≤
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0.58
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Electric conductivity ms/cm ≤
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0.3
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Features: Special organic envelop treatment endows it with high whiteness, no impurities, narrow and uniform size distribution, outstanding dispersion, and very efficient pigment dispersion. Therefore, it can fully bear every colorant crystal around and uniformly extending and dispersing in resin and solvent, so as to make each crystal’s inherent hiding power and optical properties to the greatest play, show purer color image and image distinctness, and no occurrence of secondary pool when scattering in pigment system, thus effectively improving the product gloss.
Applications: Dedicated barium sulfate for electronic ink (PCB printed circuit board)
Packaging: 25kg/bag (lined with plastic film) or packaged according to user needs.
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