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.