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About product and suppliers:
        Alibaba.com offers 16,706 polypropylene grade products. About 11% of these are pp, 2% are water treatment, and 1% are plastic sheets. 

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

There are 16,706 polypropylene grade suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Singapore, and India, which supply 95%, 1%, and 1% 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 5,386 with ISO9001, 996 with Other, and 864 with ISO14001 certification.