Chemical Resistance of Polymers

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The compatibility of PEEK, polyethylene, polypropylene, PVDF, Teflon and Tefzel with many solvents are in the table below. The durability was tested at 20C (68F) and the data is extracted from multiple sources.

In polymer analysis, methylene-chloride, DMSO and THF are often used as solvents and they may cause swelling of PEEK. The highest temperature recommended for PEEK is 100 centigrade. The only solvents which will attack PEEK are concentrated nitric acid and sulphuric acids.

If you are looking for the chemical durability of synthetic materials often used on the lab, e.g. in gloves, you will need this table. For solubility of polymers in polymer analysis using GPEC, please use this table.

Colors indicate the chemical resistance of the polymers as follows:
          suitable
         
dependent on application
          not recommended

 

 
Solvent

PEEK

Polyethylene

Polypropylene

PVDF

Teflon

Tefzel

Acetaldehyde            
Acetic acid(20%)            
Acetic acid (80%)      

 

   
Acetic acid (glacial)            
Acetone  

 

 

     
Acetonitrile            
Acrylic acid            
Ammonia, anhydrous            
Ammonia(10%)  

 

       
Ammonia (liquid)

 

         
Ammonium hydroxide            
Aqua regia            
Aromatic hydrocarbons            
Benzene  

 

       
Benzoic acid            
Benzaldehyde            
Bromine / dibromoethane            
Bromine (dry)            
Bromine (wet)            
Boric acid            
Butanol            
Calcium hydroxide            
Carbon tetrachloride            
Chlorine (gas)            
Chorine (liquid)

 

         
Chloroacetic acid

 

 

 

     
Chlorobenzane            
Chloroform            
Cyclohexane            
Cyclohexanone            
Diethylamine            
Diethylether            
Diethylformamide  

 

 

 

 

 

Dioxane            
Ethanol            
Ether      

 

   
Ethylacetate      

 

   
Ethylene chloride            
Ethylene glycol            
Heptane            
Hexane            
Hydrobromic acid (100%)            
Hydrobromic acid (20%)

 

         
Hydrochloric acid (100%)

 

         
Hydrochloric acid (20%)            
Hydrofluoric acid (100%)

 

         
Hydrofluoric acid (20%)            
Hydrogen peroxide(100%)

 

         
Hydrogen peroxide (50%)

 

         
Hydrogen peroxide (10%)            
Iso-octane            
Isopropanol            
lsopropyl ether    

 

 

   
Ketones            
Methanol            
Methyl dichloride            
Methyl ethyl ketone            
Methylene chlorlde            
Nitrlc acid(100%)            
Nltric acid(20%)            
Pentane            
Perchloric acid            
Phenol (dilute)            
Phenol (conc,)

 

         
Phosphoric acld(100%)  

 

       
Phosphoric acid(40%)  

 

       
Potassium hydroxide (dilute)            
Potassium hydroxide (70%)            
Propanol            
Pyridine            
Sodium hydroxide (80%)            
Sodium hydroxide (20%)            
Sulphuric acid (100%)            
Sulphuric acid (75%)            
Sulphuric acid (40%)            
Tetrahydrofuren            
Toluene            
Trichloro acetic acid            
Trichloroethane            
Trichloroethylene            
Triethylamine    

 

     
Water            
Water(distilled)            
Xylene            
 
last update: augustus 11, 2007