Activated carbon: 1,support wholesale 2,Larger surface area 3,Strong absorbing ability ... (%): 30—75 bet surface area(M2/G): 400—1500 ash(%): 1--40 hardness(%): 85—98 bulk density(KG/L): 0.35—0 ... %max(ASTM)90%min(ASTM)480±40g/l(ASTM) Notice:1, In transport, Activated Carbon prevent hard of mixed material, not ...