POLYPROPYLENE
Product Pictures: Product Descriptions： Polypropylene is a synthetic resin made by polymerization of propylene (CH3-CH=CH2) with H2 as the molecular weight modi-fier. There are three …
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Product Pictures: Product Descriptions： Polypropylene is a synthetic resin made by polymerization of propylene (CH3-CH=CH2) with H2 as the molecular weight modi-fier. There are three …