... .abrasion resistance 2.high adsorption quality 3.for water treatment Activated Carbon for Water,Air Purification 1.abrasion resistance 2.high adsorption ... residue%10-14hardness >92loss on drying%≤10PH6-8size1.5-4Functions(activated carbon):1.it's made of shell and saw dust,innocuity ... ,purification of organic solvent5.high machinery capacity,regeneration,low cost Wood Activated Carbon (Coconut Shell)