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Polyurethane Elastomer Springs/Bushes
Polyurethane Elastomer Springs/Bushes
Polyurethane elastomer products are versatile engineering materials designed to provide a combination of properties not available in conventional rubbers, metal or plastics. They are internationally famous for their high load bearing capacity, high impact strength, high abrasion resistance, high resilience, excellent resistance to oil and grease. Because of these exceptional properties PU bushes are being increasingly used in sheet metal sheet metal dies, where steel spring is known to break under high pressure and set in a short time, while bushes cannot sustain high load and disintegrate quickly in oil and grease.
Additional advantages of PU bushes:
- Progressive path of their performance curve and high load absorption without any danger of “coil bound†condition as is the case with metal springs
- Particular safety under working conditions
- No sudden breaking up
- Capable of running in damaged condition and hence no damage to tooling through overloading
- No servicing required and thus very economical under any working conditions
- Non-resonant and shock absorbent, reduced air noise, metal resonance is immediately suppressed
- Very advantageous “price versus performance†ratio as compared with other spring types
