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About product and suppliers:
        Alibaba.com offers 19,674 hard polyurethane products. About 63% of these are sandwich panels, 2% are adhesives & sealants, and 1% are plastic tubes. 

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

There are 19,674 hard polyurethane suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of hard polyurethane respectively. 

Hard polyurethane products are most popular in South America, Southeast Asia, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 11,217 with ISO9001, 7,495 with ISO14001, and 621 with Other certification.