... made of selected virgin coal. widely used for gas/air/water purification. CG4050,CG4060,CG3050,CG3060 are ... sodium hydroxide and potassium hydroxide, carbon dioxide, hydrogen, nitrogen, acetylene, chlorine, ethylene, cracking gas, inert gas, etc. Indoor air pollution removalSolvent ... refer to ASTM STANDARD FOR ACTIVATED CARBON & AWWA STANDARD FOR ACTIVATED CARBON.Packaging-25kg in poly bag with ...