一级免费手机a视频,欧美理论韩国理论,亚洲色无码一级毛片一区二区小说,韩国久久免费视频

Home > News
Characteristics of toughena
Release date: [2021/12/31]  Read total of [319] times

Characteristics of toughena


Toughened parental particles add a certain amount of toughening mother particles to the base to increase the bending strength and tensile strength of the article;


Features of toughening parent: do not affect other properties of the product;


Application of toughening masterbatch: plastic products, chemical fibers, non-woven fabrics, etc.