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About product and suppliers:
        Alibaba.com offers 16,976 polypropylene grade products. About 12% 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 16,976 polypropylene grade suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of polypropylene grade respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 6,673 with ISO9001, 1,278 with ISO14001, and 848 with Other certification.