Comparing with the different generation HPUs with LPU mixed films, the gloss and hardness improve significantly.

对比各代hpu掺杂涂膜发现，随代数的增加，光泽度和硬度明显提高。

youdao

Comparing with the different generation HPUs with LPU mixed films, the gloss and hardness improve significantly.

对比各代hpu掺杂涂膜发现，随代数的增加，光泽度和硬度明显提高。

youdao