... .2% 3.Whiteness:90%min 4.Material:mineral moderate calcium carbonate price in supplier1.useage:plastic, rubber,papermaking,paint,rubber,feed,electric ... oil absoption,good dispersibility.3.variety:light calcium carbonate,heavy calcium carbonate,activated calcium carbonate.4.specification: CaCO3 contents % ≥98whiteness % ≥90Oil absorption value18 ...