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Polyurethane bushes, press tool grade
Polyurethane bushes, press tool grade
Poly urthane bushes, press tool grade are ideal for sheet metal press tools from polyurethane elastomers (spring elements), a versatile engineering material designed to provide a combination of properties not available in conventional rubbers, metals or plastics. The material features high load bearing capacity, high impact strength, high abrasion resistance, high resilience and resistance to oil, grease, etc. Due to these properties, press tool grade polyurethane bushes, plates, etc, are extensively used in the sheet metal die/press tools, where steel springs are known to break under high pressure and set in a short time, while rubber bushes cannot sustain high load and tend to disintegrate quickly in oil and grease. Other features include: sustained performance; high load absorption without any risk of coil rebound condition (as is the case with metal springs); safety under working conditions capable of running in damaged condition and hence no damage to costly toolings through overloading; and non resonant, shock absorbent and environment friendly as no noise due to immediate suppression of metal resonance.