ISO 9001 Compliant Manufacturer
PURevision 1 — Published
Doc Ref: Classic_Rubber_Products.pdf(Pages 2-5, 9-12)

Polyurethane (PU) Technical Reference Data Sheet

High-performance engineering polymer delivering maximum wear resistance and mechanical load capacity.

Continuous Operating Temperature Window:
Minimum: -30°CMaximum: 80°C

Resistant To / Recommended Media

Chemical media and fluids compatible under typical operating conditions:

  • Mineral Oils
  • Greases
  • Hydraulic Fluids
  • Ozone
  • Aliphatic Hydrocarbons

Not Recommended / Incompatible Media

Aggressive fluids or environmental factors leading to accelerated swelling or degradation:

  • Hot water (>50°C)
  • Acids
  • Alkalis
  • Brake fluids

Key Engineering Advantages

  • Unrivaled tear and extrusion resistance
  • High load bearing strength
  • Low friction

Operational Limitations

  • Sensitive to thermal hydrolysis in hot water

Engineering Reference Disclaimer

The technical data herein is compiled directly from Classic Rubber Products official catalogs and laboratory evaluations. Polymer performance is influenced by multiple interacting operational variables such as fluid pressure, seal gland compression, cycle frequency, and surface finish. Classic Rubber Products recommends testing prototypes under actual working conditions prior to full-scale deployment.