ECO - Epichlorohydrin

Clwyd reference ECO
ASTM classification ECO
Typical applications
  • Automotive fuel systems
  • Bladders
  • Diaphragms
  • Rollers
Advantages
  • Excellent resistance to oxidation
  • Good resistance to ozone and weathering
  • Excellent oil resistance
  • Good, stable physical properties over wide temperature range (-50°C to 150°C)
  • Low gas permeability
Disadvantages
  • Poor compression set limits use as sealing material
  • Exhibits corrosive effect on metals (limits bonding applications)
Available hardness range (Shore A) 40 - 90
Upper continuous service temp. 125°C
Min. temp. for sealing applications -35°C
Minimum non-brittle  temp.  -45°C
Tensile strength (up to) 20 MPa
Elongation at break (up to) 400%
Price Bracket Very low
ASTM 1 Oil Excellent
ASTM 2 Oil Excellent
ASTM 3 Oil Excellent
Kerosene Excellent
Liquid B None
Liquid 101 Excellent
Phosphate ester None
Ketone None
Toluene None
Iso-octane Excellent
Methanol Good
Acid (weak) Average
Acid (strong) None
Base (weak) None
Base (strong) None
Hydrogen sulphide Good
Steam None
Ozone Excellent
Radiation Good
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