Parameters B311 B301 Total zinc and Barium sulphate, % ≥99.0 ≥99.0 zinc sulfide content, % ≥30.0 ≥28.0 zinc oxide content, % ≤0.3 ≤0.6 Color, compared with standard samples better better Tinter reducing power, compared with standard samples ≥105 ≥100 105°C volatile matter, %…