TECHNICAL INFORMATION
General : Corrosion resistance : Physical properties
Corrosion resistance guidelines for important plastics
| Chemical class | PTFE | PFA | FEP | ETFE | ECTFE | PVDF | PP | HDPE | PVC | ||
| 1 | Acids | Inorganic |
+
|
+
|
+
|
+
|
+
|
+
|
o
|
o
|
+
|
| Organic |
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
||
| 2 | Alkalies |
+
|
+
|
+
|
+
|
+
|
o
|
+
|
+
|
+
|
|
| 3 | salts |
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
|
| 4 | Halogens |
+
|
+
|
+
|
+
|
+
|
o
|
x
|
x
|
o
|
|
| 5 | Solvents | Aliphatic hydrocarbons |
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
o
|
| Aromatic hydrocarbons |
+
|
+
|
+
|
+
|
+
|
+
|
x
|
x
|
x
|
||
| Chlorinated hydrocarbons |
+
|
+
|
+
|
+
|
o
|
o
|
x
|
x
|
x
|
||
| Ketones |
+
|
+
|
+
|
o
|
o
|
x
|
o
|
o
|
x
|
||
| Amines |
+
|
o
|
o
|
o
|
o
|
x
|
o
|
o
|
x
|
||
| Alcohols |
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
||
| Furanes |
+
|
+
|
+
|
o
|
x
|
x
|
x
|
x
|
x
|
||
| Esters |
+
|
+
|
+
|
+
|
o
|
o
|
o
|
o
|
x
|
||
| Aldehydes |
+
|
+
|
+
|
+
|
o
|
+
|
+
|
+
|
+
|
||
| 6 | Phenols |
+
|
+
|
+
|
+
|
+
|
+
|
+
|
+
|
x
|
|
+ : Suitable o : Partially suitable x : Unsuitable
note : The information above should only be used as a general guideline .
Actual suitability for particular applications also depends on other factors
like temperature, pressure etc.