Item Standard B301 B311 . Ba+so4 (as zns)%(m/m) f¦ 99 99 . Zinc (as zns) (m/m)%f¦ 28 30 . Zinc oxide %(m/m) fn 0.6 0.3 105f¦ volatile%(m/m)fn 0.3 0.3 . Water soluble%(m/m) fn 0.4 0.3 . Screen residues (63um mesh) %(m/m) fn 0.1 0.1 . Oil absorption g/100g fn 14 10 . Color killing (compare with standard specimen) %f¦ 105 105 . 25kg p.P. Bag. 20mt/20''fcl.
