Polyurethane Tubing Extrusion


plastic medical_tubing_extrusion

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Polyurethane Tubing

Polyurethane, commonly abbreviated PU, is a polymer consisting of a chain of organic units joined by urethane links. Polyurethane polymers are formed through step-growth polymerization by reacting a monomer containing at least two isocyanate functional groups with another monomer containing at least two hydroxyl groups in the presence of a catalyst. Polyurethane formulations cover an extremely wide range of stiffness, hardness, and densities.