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Materials + Processes

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Chemical resistance of fluoroplastics

PTFE

TFM

PFA

FEP

ECTFE

PVDF

 FPM
FKM		 FFPM
FAKM

Aldehydes

A

A

A

A

A

A

 D A

Alcohols

A

A

A

A

A

A

 A/B A

Amines

A

A

A

A

A

B

 C A

Bases/alkalis

A

A

A

A

A

A

 B A

Esters

A

A

A

A

A

B

 D A

Ethers

A

A

A

A

B

B

 C A

Glycols

A

A

A

A

A

A

 A A

Ketones

A

A

A

A

B

B

 D A

Hydrocarbons,
aliphatic

A

A

A

A

A

A

 A A

Hydrocarbons,
aromatic

A

A

A

A

A

A

 A/B A

Hydrocarbons,
halogenated

A

A

A

A

A

A

 B/C B

Mineral oils

A

A

A

A

A

A

 A A

Oxidants, strong

A

A

A

A

B

A

 A A

Vegetable oils

A

A

A

A

A

A

 A A

Acids, inorganic

A

A

A

A

B

A

 A A

Acids, organic

A

A

A

A

B

A

 A/B A/B

Lubricants

A

A

A

A

B

A

 A A

Chemical resistance of fluoroplastics against gases

PTFE

TFM

PFA

FEP

ECTFE

PVDF

 FPM
FKM		 FFPM
FAKM
O2 A A A A A A A A

CO/CO2

A A

H2

A

A

A

A

A

A

 A A

CH4

A

A

A

A

A

B

 C A

Supercritical CO2

D

A = good resistance (virtually no or only slight attack)
B = limited resistance (moderate attack)
C = no resistance (strong attack)
D = partially dissolved (partially swollen or dissolved)