... is used for poisinous gases H2S, Methy mercaptan, etc. Product Name: Carrier activated carbon 4x6meshProduct Type:CC40-16,CC90-8,CC100-12,CC100 ... -5,CG95-12,CC120-16Product Usage:carrier activated carbon 4mm is used in the treatment of poisonous and smelly ... , Methyl mercaptan, SO2, Dimethyl sulfide, Mercury, and ammonia, etc.Product Spec: CTC(%): 60-120 ash(%): 1--40 hardness(%): 85—98 ...