FEPM material datasheet


  • FEPM is highly resistant to a wide range of chemicals, such as acid, base and steam.
  • FEPM has superior resistance to strong bases in comparison with FKM.
  • FEPM finds ever-increasing applications thanks to these unique properties.
  • FEPM has much better chemical resistance than FKM and is more cost effective than FFKM. Using AFLAS® will probably mean a significant reduction in your production costs.
  • Applications: 
    • O-rings for Mechanical Seals
    • O-rings for Marine Engine
    • O-rings for Steam Resistance
    • O-rings for downhole Application
    • Cable Application
    • Transmission Seals for automotive
    • Turbo Hose

 

* Citing source: On-line resource

 

Chemical resistance chart

How to use this chart

» Meaning of symbol:

       OK: Recommend

△: Must confirm if usable by testing advanced. 

 X: Not recommend

» This chart only provide result of single chemical to material, if client use more than one kinds of chemical in the same time, please choose material by experience.

» This chart is for reference which not able to be applicable to all environment. Please design equipment according to practical experience.

 

Catagory Chemical FEPM
Organic acids Acetic acid N/A
Acetic acid, glacial  X
Acetic anhydride
Citric acid OK
Organic compound  Acetaldehyde X
 Acetone

X

Alcohol:methyl
N/A
Aniline

Benzaldehyde

 Benzene X
Benzyl alcohol
Benzyl chloride
Corn oil
N/A
Ethanol OK
Ethylene glycol
OK
Fatty acid
N/A
Formaldehyde

X

Formic acid
X
Hexane
X
Lactic acid

N/A

Methanol
OK
Paraffin oil
N/A
Petroleum N/A
 Phenol

OK

Propane, liq OK
 Propanol N/A
Stearic acid
OK
Tannic acid
OK
Tartaric acid
OK
 Toluene X
 Urea

N/A

Inorganic compound  Ammonia
OK
Ammonium chloride OK
Ammonium hydroxide
OK
Ammonium nitrate
N/A
Ammonium sulfate
N/A
Aqua regia
X
Barium chloride
N/A
Barium hydroxide
N/A
Brine
N/A
Calcium Chloride
N/A
Calcium hydroxide
N/A
Carbonic acid
OK
Chloric acid N/A
Chlorine

OK(Water)

X(Dry)

Detergent

N/A

Hydrobromic acid
OK
Hydrochloric acid

OK (37%)

Hydrofluoric acid  N/A
Hydrogen peroxide
OK
Nitric acid

Phosphoric acid
OK
Potassium hydroxide
OK
Potassium nitrate
N/A
Potassium sulfate
N/A
Sodium carbonate
 N/A
Sodium hydroxide

OK

Sodium nitrate
N/A
Sulfuric acid
OK(Fuming)
Sulfur dioxide
△(Gas)

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