AEM - Acrylic Ethylene Copolymer
| Clwyd reference | AEM |
| ASTM classification | AEM |
Copolymer of ethyl and butyl acrylate |
|
| Typical applications | Automotive sealing applications, including seals for transmission and power steering systems |
| Advantages |
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| Disadvantages |
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| Available hardness range (Shore A) | 45 - 90 |
| Upper continuous service temp. | 175°C |
| Min. temp. for sealing applications | -40°C |
| Minimum non-brittle temp. | -60°C |
| Tensile strength (up to) | 20 MPa |
| Elongation at break (up to) | 350% |
| Price Bracket | Low |
| ASTM 1 Oil | Excellent |
| ASTM 2 Oil | Excellent |
| ASTM 3 Oil | Excellent |
| Kerosene | Excellent |
| Liquid B | None |
| Liquid 101 | None |
| Phosphate ester | None |
| Ketone | None |
| Toluene | None |
| Iso-octane | None |
| Methanol | None |
| Acid (weak) | Good |
| Acid (strong) | None |
| Base (weak) | None |
| Base (strong) | None |
| Hydrogen sulphide | None |
| Steam | None |
| Ozone | Excellent |
| Radiation | Good |