Polyurethane editing

Polyurethane polymers containing - nhcoo - repeating structural unit of a polymer, the initials of PU, including hard polyurethane plastic, soft polyurethane foam, polyurethane elastic body forms, and as thermoplastic and thermosetting two kinds big. The raw materials are generally presented in the resin state.

In addition to being a single material, the polyurethane can also be mixed with other materials to form a composite material.

Polyurethane foreign name Polyurethanes classification of man-made materials, polymer