... carbons made of selected virgin coal. widely used for gas/air/water purification. CG4050,CG4060,CG3050,CG3060 are ... , chlorine, ethylene, cracking gas, inert gas, etc.Indoor air pollution removalSolvent recoveryWater purification, removing toxic and harmful substance in industrial ... , please refer to ASTM STANDARD FOR ACTIVATED CARBON & AWWA STANDARD FOR ACTIVATED CARBON.Packaging-25kg in poly ...