GB/T 39690.1-2020
ActivePlastics—Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging—Part 1: Designation system and basis for specification
塑料 源自柔性和刚性消费品包装的聚丙烯(PP)和聚乙烯(PE)回收混合物 第1部分: 命名系统和分类基础