... 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 ... Spec: CTC(%): 60-120 ash(%): 1--40 hardness(%): 85—98 Impregnated content: KOH, NaOH, KI, S moisture(%): 5-15 apparent density(g ...