barium carbonate ,also known as witherite,is a chemical compound used in rat poison,bricks ceramic glazes and cement specification:purity: 99.20%minmoisture: 0.3%maxtotal sulphur as SO4: 0.3%maxHCl insoluble matter: 0.25%maxIron(Fe): 0.004%max325mesh: 1.00%maxpackage: 25kg/bagloading: 25MT/20'FCLPrice:USD380/MT FOB HUANGPU PORT,CHINA Tracy tangTel:86-898-68538997Fax: 86-898-68538692Mobil phone: ...