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Polyurethane products often called “urethanes”, are an extremely diverse products due to the multiple ways they can be configured during manufacturing.
- Trade Name: Urethane
- Chemical Name: Polyester, Polyether Urethane
- Generally Resistant to: Ozone, Hydrocarbons, Moderate Chemicals, Fats, Oils and Greases
- Generally Attacked by: Concentrated Acids, Esters, Ketones, Chlorinated and Nitro Hydrocarbons
- ASTM D 2000 / SAE J200 Classification: BG
- MIL-R-3065 / SAE J-14 / MIL-STD-417 Classification: SB
- ASTM D-1418 Designation: AU, EU
Elongation: 250% to 900%
Hardness Range (Durometer Shore A): 35 to 95
Compression Set: Poor to Good
Rebound Rating: Poor to Good
Flex Cracking Resistance: Fair to Good
Abrasion Resistance: Excellent
Tear Resistance: Good to Excellent
Impact Resistance: Good to Excellent
Flame Resistance: —
Minimum Service Temperature: -40°F to -65°F
Maximum Service Temperature: +180°F to +220°F
Store in a cool, dry place with temperature below 75°F.
Keep away from direct heat or open flames.
Avoid contact with solvents or other fluids.
Do not store in direct sunlight.
Keep products wrapped or sealed to minimize the absorption of moisture.
Store in a relaxed condition free from tension, compression or other deformation
TYPES OF URETHANE RUBBERS:
Excels in mechanical strength, offering high impact resilience and superior water resistance compared to Ester Polyurethane but has low heat resistance and chemical resistance.
Excels in mechanical strength offering 30～100% more mechanical strength than Ether Polyurethane with superior oil resistance. This rubber has low heat resistance, chemical resistance and low impact resilience.
Conversion Note: (70°C converts to 158°F. -40°C converts to -40°F. -20°C converts to -4°F).
SUPER ABRASION-RESISTANT URETHANE
A super abrasion resistant urethane which is far superior to conventional urethanes in abrasion resistance and load bearing. It is 6 times stronger in abrasion resistance and 1.5 times stronger in mechanical strength compared to the standard urethane.
Offering unique composition results in abrasion resistance that is 2.5 times higher than general urethane this material is a lower cost than Vulkollan® but offers the same attributes but to a lesser degree.
This material can be used in the manufacturing of flexible, high-resilience foam seating and rigid foam insulation panels.
Urethane is also used in the manufacturing of microcellular foam seals and gaskets, durable elastomeric wheels and tires (roller coaster, escalator and skateboard wheels), automotive suspension bushings, high-performance adhesives, surface coatings, surface sealants and hoses.