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Usage:
Fillers of plastic such as for plastic, rubber, paper, polyvinyl chloride (PVC),
polyethylene (PE), polypropylene (PP), ABS, etc.
Characteristic:
1) Identical grain size, low oil absorption value
2) To reduce the cost of products; to make products have good foamed effect
3) To enhance hardness, rigidity, size stability, fire-retardantness, glossiness
of products
4) Calcium carbonate is used for high polymer material to improve the craftwork
of processing and enhance the mechanics and hot stability of products; It
can reduce the cost with the enhancement of dispersibility and compatibility
Specifications:
1) Light calcium carbonate
2) Main Constituent (CaCO3): ≥96%
3) PH (10% solid quit): 8.0 - 10.0%, 105<sup>o</sup>C
4) Volatile: ≤0.50%
5) Insoluble substance in hydrochloric acid: ≤ 0.3%
6) Settling value: ≥2.2ml/g
7) Average grain: 1.5 - 3.5μm
8) Fe: ≤0.10%
9) Mn: ≤0.010%
10) Screenings 125μm: ≤0.010%, 45μ: ≤0.40%
11) Whiteness (R457): ≥94
12) Appearance: powder
Inner packing: with plastic pellicle
Outer packing: plastic knitted sack
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