● 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: Wikipedia
Chemical resistance chart
How to use this chart
» Meaning of symbol:
OK: Recommended.
△: Must confirm if usable by testing in advanced.
X: Not recommended.
» This chart only provides the result of a single chemical to material, if a client uses more than one kind of chemical at the same time, please choose material by experience.
» This chart is for reference only which is not applicable to all working environments. Please refer to design equipment according to practical experience.
|
Category
|
Chemical
|
FEPM
|
|
Organic acids
|
Acetic acid
|
N/A
|
|
Acetic acid, glacial
|
X
|
|
Acetic anhydride
|
△
|
|
Citric acid
|
OK
|
|
Organic compound
|
Acetaldehyde
|
X
|
|
Acetone
|
X
|
|
Methyl alcohol
|
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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