Molecular formula: xMgCO3 yMg(OH)2 zH2O Shape and properties:White loose powder with amorphism. Application:Mainly used in the stuffing and reinforcer for production of rubber, enhance reflet and white of titanic enamel powder, heat-resistant, It is heat preservation and insulated material, used in concoct white paint for production of printing ink, dilute printing ink. used in production of advanced glass ware, paint, pigment, chemic commodity, ect.