单一的水性聚氨酯分散体存在自增稠差、固含量低、耐水性差、机械强度不如丙烯酸树脂等缺点，而且成本较高。

There exist many disadvantages of the single WPU emulsion, such as poor self-thickening, low solid content, weak water resistance, lower mechanical strength compared to acrylic resin and high cost.

youdao

单一的水性聚氨酯分散体存在自增稠差、固含量低、耐水性差、机械强度不如丙烯酸树脂等缺点，而且成本较高。

There exist many disadvantages of the single WPU emulsion, such as poor self-thickening, low solid content, weak water resistance, lower mechanical strength compared to acrylic resin and high cost.

youdao