Particle size(mesh):4,8/8,16/8,30/12,40/20,50/30,60
iodine No.(mg/g)min:800/900/1000/1050
CTC min(%):50/55/60/70
Ash max(%0:8/10/12/18
Blue Methylene(mg/g):150/180/200/220
Bulk density(g/l):400-600
Hardness No.Min(%):90
Moisture content max (%):5
Floating max (%):3
Any specification falls between the ranges above could be reaches and any special requirement is negotiable.