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About product and suppliers:
        Alibaba.com offers 24,765 hard polyurethane products. About 71% 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 hot melt adhesives, volatile solvent adhesives, and double components adhesives. You can also choose from fiber & garment, construction, and transportation. As well as from polyurethane, epoxy, and acrylic. And whether hard polyurethane is free samples, or paid samples. 

There are 24,765 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, Central America, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 10,990 with ISO9001, 7,200 with ISO14001, and 616 with Other certification.