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Superfine heavy calcium carbonate

white powder, water insoluble, acid soluble. white powder, colorless, tasteless. Stable in air. Hardly water insoluble, alcohol insoluble. Heat to 898℃, the product can dissolve into calcium oxide and carbon dioxide. The product has high purity and heating stability. It will not dissolve under 400℃, High Whiteness , Oil is low, the refractive index is low, soft, dry, non-crystalline water, the hardness value of small low wear, innocuity, tasteless, odorless, good dispersion etc.

[Package]

25（kg/bag）stored and transported with inner plastic outer knitting bags and avoid water, or packed according to the requirement of the customers.

[Property]

Index	Units	Product Specifications
Index	Units	HT-800	HT-1000	HT-1250	HT-1500	HT-2000
Calcium carbonate（CaCO₃) content	%	≥98	≥98	≥98	≥98	≥98
Ferric oxide（Fe₂O₃) content	%	≤0.05	≤0.05	≤0.05	≤0.05	≤0.05
Silica（SiO₂) content	%	≤0.5	≤0.5	≤0.5	≤0.5	≤0.5
Magnesia（MgO） content	%	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3
Moisture	%	≤0.3	≤0.3	≤0.3	≤0.3	≤0.3
Whiteness	%	≥92	≥92	≥92	≥92	≥92
Particle diameter （D97）	um	≤23	≤16	≤13	≤10	≤8

[Use]

Product Specifications	Features and use
HT-2500	High fineness,High Whiteness , great fineness, Calcium carbonate contentHigh special suitable for daily chemicals, paper making, printing cloth, plastic film, degradable masterbatch
HT-2000	High fineness, High Whiteness, specially suitable for paper making, printing cloth, plastic film, degradable masterbatch
HT-1500	High Whiteness, High fineness, Particle diameter distribution is average, specially suitable for plastic masterbatch, high rank coatings, printing ink
HT-1250	High Whiteness, High fineness, 600um with small residues, suitable oil absorption amount, suitable for coatings, printing ink, rubber
HT-1000	High fineness, High Whiteness, High fineness, 500um with small residues, Suitable for paper making, printing cloth, plastic
HT-800	325um with small residues, suitable for coatings, plastic, plastic