Information about HeavyCalcium Carbonate for Plastic: 1,Calcium Carbonate product has the superiority ofhigh whiteness, milky white , uniform particle sizeand stable quality. It is the most ideal industrial raw materials of high quality product, the source of calcium is widely applied to plastic, rubber, paper, foam, coating, paint, ink, ceramics, man-made stone, electronic and so on. 2,Our natural Heavy Calcium Carbonate is of hingh quality,high whiteness and high purity 3,Its all purpose,for paper,pvc pipe,rubber,cable,printing ink,feeding material,toothpaste,plastic,concrete,floor tile, etc 4,It can reduce product cost,enhance hardness,increase whiteness,keeping surface smoothy. Calcium content%98.5Average grain size (D97)um9Whiteness-96Hue-Milky whiteMoisture%0.13True specific gravityg/cm27Oil-absorption Value (DOP_c.c/100g18PH Value-9-10Ignition Loss%43.5Iron Trioxide%0.02Magnesium Oxide%0.16Aluminium Oxide%0.01Insoluble Substance in Hydrochloric acid%0.10 Note: we can produce Calcium Carbonate for Plastic in different whiteness, purity, and high brightness, ultra-fine, according to buyers’ demand. If you are interested in any of our products, please do not hesitate to contact us for more detailed information. It will be our pleasure to be at your service.