B311立德粉：白色颜料，硫化锌含量为30%。

B311 lithopone: white paint, zinc sulfide content of 30%.

youdao

B302立德粉：白色颜料、硫化锌含量为28%，经过表面处理比B301有更好的分散性。

B302 lithopone: white paint, zinc sulfide content of 28 percent, after surface treatment than the B301 have a better dispersion.

youdao

立德粉是白色颜料硫酸钡(68- 70%)和硫化锌(28 - 30%)同氧化锌的微量的混合物。

Lithopone is a white pigment composed of a mixture of barium sulfate (68-70 %) and zinc sulfide (28-30%) with trace amounts of zinc oxide.

youdao

立德粉是白色颜料硫酸钡(68- 70%)和硫化锌(28 - 30%)同氧化锌的微量的混合物。

Lithopone is a white pigment composed of a mixture of barium sulfate (68-70 %) and zinc sulfide (28-30%) with trace amounts of zinc oxide.

youdao