B301 Characteristics: White pigment, zinc sulfate content is 28%. Hiding power is stronger than zinc oxide,lower than titanium dioxide,good heat endurance. Range of application:Coating, paint producing, printing ink, plastic,rubber, paper making, enamel etc.. B302 Characteristics: White pigment, zinc sulfate content is 28%. Dispersancy is better than B301 after surface preparation. Range of application:Coating, paint producing, printing ink, plastic, rubber, paper making etc.. B311 Characteristics: White pigment,zinc sulfate content is 30%. Stronger hiding power and reducing power than B301. Better dispersancy. Range of application:Coating, paint producing, printing ink, plastic,rubber, paper making, enamel etc.. Voluntary standards:GB/T1707-1995 Packing :Plastic weaving bag with polyethylene liner or paper bag,50kg or 25kg per bag.
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