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About product and suppliers:
        Alibaba.com offers 18,499 polypropylene grade products. About 15% of these are pp, 1% are other packaging materials, and 1% are geotextiles. 

A wide variety of polypropylene grade options are available to you, such as free samples, paid samples. 

There are 18,577 polypropylene grade suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Singapore, and India, which supply 96%, 1%, and 1% of polypropylene grade respectively. 

Polypropylene grade products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 7,374 with ISO9001, 1,318 with ISO14001, and 751 with Other certification.