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Usage:
Used in rubber, plastic, paper, painting field as filler. |
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Specifications: |
Appearance |
White powder |
White powder |
Particle shape |
Spindly |
Spindly |
CaCO3 content |
≥98% |
≥98% |
Whiteness |
≥90 |
≥90 |
Residue on 325 Mesh screen (45μm) |
≤0.50% |
≤0.50% |
Residue on 120 Mesh screen (125μm) |
≤0.005% |
≤0.005% |
Moisture |
≤0.30% |
≤0.40% |
Insoluble matter in HCI |
≤0.10% |
≤0.20% |
Free alkali |
≤0.10% |
≤0.10% |
Fe% |
≤0.10% |
≤0.10% |
Mn% |
≤0.0045% |
≤0.0045% |
Sedimentation volume |
≥2.8ml/g |
≥2.8ml/g |
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Effects and
benefits:
Increase gloss, brightness, whiteness, smoothness and mechanical property. |
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