DURABILITY OF VARIOUS
PLASTICS: ALCOHOLS VS. 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.
Fair: Some signs of deterioration after one week of exposure.
Good: No damage after 30 days of exposure, should
tolerate several years of exposure.
Poor: Deteriorates readily.
NOTE: All tests were made with liquids at 122 deg F.
