What is Polyurethane (PU) Wire

Polyurethane, commonly abbreviated PU, is any polymer consisting of a chain of organic units joined by urethane links.

Polyurethane polymers are formed by reacting a monomer containing at least two isocyanate functional groups with another monomer containing at least two alcohol groups in the presence of a catalyst.

Polyurethane formulations cover an extremely wide range of stiffness, hardness, and densities. These materials include:
1.low density flexible foam used in upholstery and bedding,
2.low density rigid foam used for thermal insulation and e.g. automobile dashboards,
3.soft solid elastomers used for gel pads and print rollers, and hard solid plastics used as electronic instrument bezels and structural parts.

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