Chemical Structure: Polymer composed of urethane links.

Density: Typically ranges from 1.0 to 1.25 g/cm³.

Hardness: Shore A 20 to 95.

Tensile Strength: Varies widely depending on the formulation, typically from 20 MPa to 60 MPa.

Elongation at Break: Generally high, ranging from 100% to 600%.

Tear Strength: Exhibits excellent tear resistance.

Temperature Range: PU rubber can withstand a broad temperature range, typically from -40°C to 80°C (-40°F to 176°F).

Thermal Conductivity: Low thermal conductivity.

Dielectric Strength: Typically moderate.

Volume Resistivity: Varies depending on the formulation.

Excellent Resistance To: Abrasion, oils, greases, hydrolysis.

Good Resistance To: Some solvents and chemicals.

Limited Resistance To: Strong acids and bases.

Application Areas:

Rollers and Wheels: PU is widely used for its high load-bearing capacity and abrasion resistance in roller and wheel applications.

Seals and Gaskets: Suitable for various sealing applications due to its flexibility and resilience.

Industrial Belts: PU is used in the manufacturing of conveyor belts and power transmission belts.

Automotive Components: PU is utilized in suspension components, bushings, and other automotive parts.

Mining and Construction: PU is employed in various heavy-duty applications due to its toughness.