成膜助剂有利于改善涂膜的成膜性能，提高涂膜的柔韧性；

The coalescer can improve the ability of film formation of the paint and enhance the flexibility of film.

youdao

成膜助剂有利于改善涂膜的成膜性能，提高涂膜的柔韧性；

The coalescer can improve the ability of film formation of the paint and enhance the flexibility of film.

youdao