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Product type:Iron Oxide Black740
Content:≥90 %
Oil absorption:15-25
Residue on sieve:≤0.3%
Water soluble:≤0.3%
Moisture:≤1.0%
PH value:3-7
Density:0.9g/cm3-1.3g/cm3
Particle shape :spherical
Colour aberration:≤1
Coloring power:95-105
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