Polyurethanes and sustainability - PolyurethanesExplore further
2010-8-25u2002·u2002The flexural strength of the polyurethane ties is also very much higher than that of wood, even after 15 years, the material is also suitable for the construction of high-speed tracks. The polyurethane material looks like wood and combines all the positive properties of the natural product with those of a modern composite product.
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