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Polymer Types - ECO - Epichlorohydrin...

Clwyd reference ECO
ASTM classification CO, ECO

Polymers based on polyepichlorohydrin which may also contain ethylene oxide and allyl glycidyl ether. 

Typical applications Seals, gaskets, diaphragms, cable jackets and belting
Advantages

Excellent ozone resistance
Good resistance to oils
Fire resistance

Disadvantages

Poor resistance to some non-polar solvents
Poor steam resistance

 
Available hardness range (Shore A) 40 – 90
Upper continuous service temp. (°C) 125
Min. temp. for sealing applications (°C) -35
Minimum non-brittle  temp.  (°C) -45
Tensile strength (up to) 20 MPa
Elongation at break (up to) 400%

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