Polyurethane (PU)

Polyurethane is a resilient, versatile and strong polymer than is available in ether and ester based formulations. These diverse formulations cover an extremely wide range of stiffness, hardness, and densities. Polyurethane products are often called urethanes and should not be confused with the specific substance urethane. Polyurethanes are not produced from ethyl carbonate, nor do they contain it.

Common Uses:

• Low-density flexible foam used in upholstery and bedding.
• Low-density rigid foam used for thermal insulation.
• Hard solid plastics used as electronic instrument bezels and structural parts.
• Consumer products include footwear, gaskets and surfboards.
• Industrial uses: High performance adhesives and sealants, spandex fibers, seals, gaskets, carpet underlay

Physical Properties:

• Specific Gravity - 1.19g/cm
• Tensile Strength - 7000 psi
• Flexural Strength - 10100 psi
• Impact Strength - 24 ft-lb/in

General Properties:

• Lightweight
• Chemical Resistant
• Low Temperature Flexibility
• Heat Resistant
• Abrasion resistant

Processing:

• Injection Molding
• Extrusion