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Polymer Types - AEM - Acrylic Ethylene Copolymer...

Clwyd reference AEM
ASTM classification AEM

Copolymer of ethylene and acrylate

Typical applications Automotive sealing applications, including seals for transmission and power steering systems
Advantages

Excellent resistance to transmission fluids, water, glycol mixtures and weak bases
Good dynamic properties over a wide temperature range
Excellent vibration dampening
Excellent ozone resistance
Can be formulated for low flammability / low smoke specifications

Disadvantages

Poor steam resistance
Poor resistance to brake fluid and phosphate esters

 
Available hardness range (Shore A) 45 - 90
Upper continuous service temp. (°C) 175
Min. temp. for sealing applications (°C) -40
Minimum non-brittle  temp.  (°C) -60
Tensile strength (up to) 20 MPa
Elongation at break (up to) 350%

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