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2部分:试样制备和性能测定
Plastics—Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging—Part 2:Preparation of test specimens and determination of properties