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Formic Acid Resistance of Acetal (POM)

Is Acetal (POM) compatible with Formic Acid?

Compatibility Rating

📊 Note: Formic Acid resistance varies by concentration. Data available for: 3 %, 50 %, 98-100 %. Search for specific concentrations →

At 20°C
B
Good
Good resistance - suitable for intermittent contact
At 50°C
D
Poor
Not recommended - significant degradation expected

Comparison Table — All Materials for Formic Acid

Material20°C50°C
HDPEAA
LDPEAB
PPAB
PTFEAA
PVDFAA
FEPAA
ECTFE/ETFEAA
EPDMCNR
Viton (FPM)CC
NBRDD
SiliconeNRNR
SS 316AA
SS 304AB
AluminiumCC
PVC RigidBC
PVC FlexibleNRNR
PMPAB
PolystyreneAB
SANNRNR
PolycarbonateAB
PETGANR
Acetal (POM)BD
Nylon (PA)CD
PolysulfoneBB

A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data

🌡️ Temperature Note

Performance degrades significantly at higher temperatures — rated Good at 20°C but only Poor at 50°C. For elevated temperatures, consider a more resistant material. Max service temp: 90°C.

🔄 Better Alternative?

Consider: Nylon or PP. View all materials for Formic Acid →

FAQ

Is Acetal (POM) resistant to Formic Acid?

Acetal (POM) has Good (B) resistance to Formic Acid at 20°C.

Can I store Formic Acid in Acetal (POM)?

Yes, Acetal (POM) is rated B for Formic Acid.

📊 Note: Formic Acid resistance varies by concentration. Data available for: 3 %, 50 %, 98-100 %. Search for specific concentrations →

All Materials for Formic Acid All Chemicals for Acetal (POM)