Materials technology: EPDM [ethylene propylene]
Ethylene propylene has outstanding heat, ozone and weather resistance and excellent electrical insulating properties; it offers:
- excellent weather and ozone resistance
- high tensile strength
- resistant to non-flammable hydraulic fluids (Skydrol) but poor resistance to mineral oils.
At DP Seals we pride ourselves on being able to provide specialist advice in selecting and developing exactly the right blend of materials to meet a vast range of performance requirements. If you are unsure about what material might be best, call us on +44 (1202) 674671 or email our .
| Cost | ££ |
| Hardness: Shore A (Hint) | 40 - 90 |
| Tensile Strength (1000psi) | 0.5 - 3.5 |
| Tear Resistance | Fair |
| Impact Resistance | Good |
| Compression Set (Method B, %) | 20 - 60 |
| Electrical Resistance (Ω/cm2 | 2*1016 |
| Low Temperature (°C) | -45 |
| High Temperature (°C) | 130 |
| intermittent High (°C) | 150 |
| Ozone (protected) | Excellent |
| Weather and Sunlight | Excellent |
| Gas Permeation | Good |
| Water | Excellent |
| Acid/Base - Dilute | Excellent |
| Acid/Base Concentrated | Fair |
| Solvent - Aliphatic | Poor |
| Solvent - Aromatic | Poor |
| Oils and Gasoline | Poor |
| This information is only a guide to the more common materials, their primary characteristics and uses. The relationship between material, product performance and blend options is complex - talk to DP Seals. |
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Every customer receives the same high level of service from DP Seals: uncompromising quality control.
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