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
Product Families Manufactured in PU
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.