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Hydrochloric Acid Resistance of PETG

Is PETG compatible with Hydrochloric Acid?

Compatibility Rating

📊 Note: Hydrochloric Acid resistance varies by concentration. Data available for: 1-5 %, 20 %, 35 %. Search for specific concentrations →

At 20°C
C
Fair
Limited resistance - short-term exposure only
At 50°C
NR
No Data
No data available

Why is PETG rated this way to Hydrochloric Acid?

PETG has limited resistance to Hydrochloric Acid. Short-term exposure may be acceptable, but prolonged contact is not recommended.

⚠️ When NOT to use PETG

Avoid using PETG with strong acids, alkalis, and most organic solvents. Better impact resistance than PET but lower chemical resistance.

Comparison Table — All Materials for Hydrochloric Acid

Material20°C50°C
HDPEAA
LDPEAA
PPAA
PTFEAA
PVDFAA
FEPAA
ECTFE/ETFEAA
EPDMANR
Viton (FPM)AA
NBRDD
SiliconeNRNR
SS 316DD
SS 304DD
AluminiumDD
PVC RigidAC
PVC FlexibleNRNR
PMPAB
PolystyreneAA
SANNRNR
PolycarbonateBC
PETGCNR
Acetal (POM)DD
Nylon (PA)DD
PolysulfoneAA

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

FAQ

Is PETG resistant to Hydrochloric Acid?

PETG has Fair (C) resistance to Hydrochloric Acid at 20°C.

Can I store Hydrochloric Acid in PETG?

Caution - PETG is rated C for Hydrochloric Acid.

📊 Note: Hydrochloric Acid resistance varies by concentration. Data available for: 1-5 %, 20 %, 35 %. Search for specific concentrations →

All Materials for Hydrochloric Acid All Chemicals for PETG