... g/cm3):2.7 calcium carbonate for pvc pipe1.useage: Paint, Dope, Rubber, PVC pipe, Paper making etc as stuff materials2 ... calcium oxide then mix the water,create the Calcium hydroxide,then through carbonize,dehydrate,dry and smash.3.specification:ApperanceWhite ... Applicable scope: Particles of sheath of PVC wires and cables, PVC leatheroid, PVC pipe material, PVC section material, particles of TRP, ...