China National Standards

China Expanded polypropylene GB Standards List

  •  China "Expanded polypropylene " GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40921-2021 Expanded polypropylene (PP-E) beads
    发泡聚丙烯（PP-E）珠粒    		 China National Standards
    Expanded polypropylene
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