... 4.Big factory supply 5.Rubber,plastic,ceremic,pain,coating,pigment.pvc Lithopone B311/B301 Specification: 1.Product Description1).Formula ... ).Stronger hiding power and reducing power4).White powder, White pigment, zinc sulfate content is 30% 2. Features: 1 ... and high-temperature weatherability, strong characteristic.Uses: Widely used in coating, powder, plastic, profiles, paint, rubber, paper, and ...