Cas No. :1333-86-4 Specs:N220/N330/N550/N660 Payment Method: T/T ，L/C CTAB Absorption Area 103M2/kg Dbp vaue10-5M3/kg Ash Content% 0.3 ≤0.5 45um Screen Filter(Mesh)% 0.02 ≤0.1 500um Screen Filter(Mesh)% 0 ≤0.001 ImpurityY/N N N Loss On Heating % 0.6 ≤2.5 Tint strength% 110 108-124 Fines % 5 ≤7 Modulus at 300% MPA -2.1 -2.3±1.6