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About product and suppliers:
        Alibaba.com offers 1,712 polypropylene block products. About 4% of these are plastic sheets, 1% are blocks. 

A wide variety of polypropylene block options are available to you, such as pp, pe, and ptfe. You can also choose from block set, chopping blocks, and other educational toys. As well as from construction toy, roller, and diy toy. And whether polypropylene block is free samples, or paid samples. 

There are 1,712 polypropylene block suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of polypropylene block respectively. 

Polypropylene block products are most popular in North America, Western Europe, and Mid East. 

You can ensure product safety by selecting from certified suppliers, including 456 with ISO9001, 111 with Other, and 96 with ISO14001 certification.