ETHANOL PRODUCER'S DATA BASE

Simplicity in Applied technology

Gasket Materials

 

Alcohol, Ethanol ( C2H5OH ) is as smooth as it can get, and if you look closely, it is by far the least corrosive of fuels.

 

 

DURABILITY OF VARIOUS PLASTICS:  ALCOHOLS  V/S  GASOLINE

 

 Ethanol  Methanol   Gasoline

Conventional Polyethylene 

 Good  Excellent  Poor 

High Density Polyethylene 

 Excellent  Excellent  Good 

Teflon 

 Excellent  Excellent  Excellent 

Tefzel

 Excellent Excellent  Excellent 

Polypropylene 

 Good   Excellent  Fair 

Polymethylpentene

 Good   Excellent  Fair 

Polycarbonate

 Good   Fair  Fair 

Polyvinyl Chloride

 Good   Fair  Poor 

  • Excellent: Will tolerate years of exposure.
  • Good:      Should tolerate several years  of exposure.
  • Fair:        Some signs of deterioration after one week of exposure.
  • Poor:       Deteriorates readily.
    NOTE: All tests were made with liquids at 122 deg F