| Material |
Chemical Resistance Rating |
Comments |
| PTFE
(Virgin) |
Excellent
|
Best
chemical resistance of engineering thermoplastics, except some high performance
materials.
|
| High
Perform. Mats |
Excellent
|
|
| UHMWPE |
Excellent
|
Have
limited success in hot water and with chlorinated solvents
|
| HMWPE |
Excellent
|
Have
limited success in hot water and with chlorinated solvents
|
| HDPE |
Excellent
|
Have
limited success in hot water and with chlorinated solvents
|
| PVC |
Excellent
|
Not
resistant to aromatic hydrocarbons
|
| PETP
|
Good
|
Resistant
to most organic solvents, fats & oils but is attacked by strong acids
|
| Nylon
66SA |
Good
|
Resistant
to dilute acids and a majority of common solvents
|
| Acetal
(C) |
Good
|
Resistant
to solvents and lubricants but is attacked by strong acids. Copolymer
has higher resistance to chemicals than homopolymer.
|
| Polyurethane |
Good
|
Not
resistant to hydrocarbons
|
| Bakelite |
Good
|
Not
resistant to strong acids
|
| Polypropylene |
Good
|
Cannot
be used with copper nitrates, cobalt and their alloys
|
| Acrylic |
Good
|
Cannot
be used with solvents
|
|
Polycarbonate
|
Poor
|
|