Premium EPDM (Ethylene Propylene Diene Monomer) O-rings engineered for exceptional weather resistance and water sealing applications. The industry standard for outdoor, marine, and steam applications requiring superior ozone, UV, and temperature cycling resistance.
EPDM Properties & Specifications
📊 Physical Properties
Material Type
EPDM Rubber (Ethylene Propylene)
Continuous Temperature
-40°C to 150°C (-40°F to 302°F)
Short-term Temperature
Up to 175°C (347°F)
Hardness Range
50-90 Shore A
Tensile Strength
7-17 MPa (1000-2500 psi)
Elongation at Break
200-600%
🎨 Available Options
Standard Colors:
Hardness Options:
Certifications:
Temperature Performance
Temperature Capabilities
Temperature Range
Fahrenheit
Celsius
Duration
Performance Notes
Continuous Operating
-67°F to +302°F
-55°C to +150°C
Unlimited
Optimal performance range
Short-term Exposure
Up to +338°F
Up to +170°C
Up to 48 hours
Emergency/startup conditions
Brittle Point
N/A
Becomes rigid, may crack
Chemical Compatibility
✅ Excellent Resistance
Hot Water and Steam
Ozone and UV Radiation
Weather and Aging
Alkalis and Mild Acids
Polar Solvents (alcohols)
Brake Fluids (glycol-based)
⚠️ Poor/No Resistance
Petroleum Oils and Fuels
Mineral Oil Based Fluids
Aromatic Hydrocarbons
Halogenated Solvents
Strong Acids and Oxidizers
Chemical Resistance Chart (Common Fluids)
Chemical/Fluid
Concentration
Temperature
Rating
Notes
Rating Scale: Excellent = No effect, Good = Slight effect acceptable, Fair = Moderate effect, Poor = Severe effect, not recommended