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Cast Polyurethane Parts for Automotive Applications

Cast polyurethane elastomers combine both the flexibility of rubber and the strength of plastic. It is used to replace traditional materials like rubber (prone to aging), metal (heavy weight), and ordinary plastic (poor wear resistance).

It accurately adapts to multiple automotive scenarios, from car bushing, car punching/ stamping die manufacturing , urethane engine mount to PU wheels for assembly line. The advantages of abrasion and impact resistance can reduce maintenance frequency and costs.


polyurethane-products-for-automotive-industry

Advantages in Automotive Industry

Shock Absorbing : Quickly cushioning vibrations from road bumps. It also reduces mechanical operation noise (e.g., suspension system noise reduced by 15-20 decibels), significantly improving ride comfort.

Excellent Wear Resistance: Stable surface friction coefficient (0.3-0.5), with wear resistance 3-5 times that of natural rubber. It resists scratches or deformation even under long-term sliding friction (e.g., between shock absorber bushings and metal rods), extending component service life to 3-5 years.

Resistance to High and Low Temperature Aging, UV: In cyclic environments from -40℃ (cold winter starts) to 120℃ (high summer engine bay temperatures), tensile strength attenuation rate is less than 8%, and hardness change is no more than 5A, ensuring consistent performance.

Customizable Molding: Supports processes like in-mold casting , with precision molding.

Key Application

Shock Absorption & suspension

- Polyurethane bushing

- Urethane engine mount , polyurethane transmission mount

- Bump stop , silent block

- Exhaust tail pipe mount bracket hanger bushing

Punching/stamping die manufacturing

- Polyurethane die springs​

- Urethane punch stripper​

- Urethane side pin​

- Round urethane threaded bumper​

- Urethane rubber bumpers with tapered tip end​

- Polyurethane damping washer​

- Urethane stop buffer for press die​

- Down holder damper​

- Urethane blanking pad​, urethane stripper bar

- Bumpers with spherical tip​

Testing, manufacturing & assembly

- Skid conveyor roller wheel for electric automobile assembly line

- Car parts warehouse shelf buffer

- Engine Leak testing Seal/ gasket

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