Calcium carbonate CAS NO.471-34-1

Nano-grade calcium carbonate Molecular formula: CaC03 Color: White Appearance: Powder Main uses Widely used in plastic, paper making, paints, ru…

Nano-grade calcium carbonate Molecular formula: CaC03 Color: White Appearance: Powder Main uses Widely used in plastic, paper making, paints, rubber, electronics, cosmetics and food etc. Especially use for improving the mechanic performance of polymer composite , In PVC electrical cable and wire,PVC Building Materials, PVC plastic granule and glue granule making etc. Advantages: High brightness, purity and Low impurity Active dispersion and High surface activity Small grain size, Stable crystal form,and Wide distribution of grain size. Have great affinity with PVC, have double effects of filling and reinforcing action Main diameter between 40 nm and 80nm, can instead of Titanium Dioxide in some industry. Can help to reduce the production cost and improve competitiveness. Nano-grade calcium carbonate specification Light calcium carbonate or Precipitated Calcium Carbonate Molecular formula: CaC03 Color: White Appearance: Powder Main uses as filler and reinforcing agent in rubber, paints, printing ink, medicine, paper making and food etc. Advantages: High brightness and active Dispersion Low alkalinity High stability of Subside Volume Can meet different customer’s needs Ground Calcium Carbonate specification Item China Export Technical Standard Index of our supply CaC03,Content % 96min --- 99.9% PH Value 9.0min 11.0max 11.0 Under 105℃Volatile matter % --- 1.00max 0.14 HCL insoluble matte % --- 0.30max 0.06 Subside Volume ml/g 2.4min --- 3.3 Fe，Content % --- 0.12max 0.02 Mn，Content % --- 0.010max 0.003 Screen residue： 125μm % 45 μm % --- --- 0.015max 0.50max 0.000 0.15 Brightness degree 90min --- 90 Heavy Calcium Carbonate or Ground Calcium Carbonate Molecular formula: CaC03 Color: White Appearance: Powder Grade: 800mesh,1250mesh,1800mesh Main uses:　 Widely used as filler and is also used in plastic, paper making, paints, rubber, printing ink, building material,electronics, ceramics and medicine etc. Advantages High brightness, purity Active Dispersion and High surface activity Stable in air, hardly absorb water Have double effects of filling and reinforcing action Ground Calcium Carbonate specification