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About product and suppliers:
        Alibaba.com offers 15,156 polypropylene grade products. About 12% of these are pp, 2% are synthetic fiber, and 1% are printing inks. 

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

There are 15,156 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, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 5,500 with ISO9001, 937 with ISO14001, and 674 with Other certification.