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Chemical Resistance Epoxy

Reference data and engineering information about chemical resistance epoxy for material properties applications.

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Overview

Engineering reference data for Chemical Resistance Epoxy in material science and properties.

Key Formulas

Stress

σ=FA\sigma = \frac{F}{A}

Force per unit area.

Strain

ε=ΔLL0\varepsilon = \frac{\Delta L}{L_0}

Change in length per original length.

Hooke's Law

σ=Eε\sigma = E \varepsilon

Stress proportional to strain in elastic region.

Thermal Expansion

ΔL=αL0ΔT\Delta L = \alpha L_0 \Delta T

Length change due to temperature.

Variables

SymbolDescriptionUnit
σ\sigmaStressPa
ε\varepsilonStrain
EEYoung's modulusPa
α\alphaThermal expansion coefficient1/°C
ΔT\Delta TTemperature change°C

Chemical Resistance Data

The following table provides an indication of epoxy resistance to various chemical compounds. Always verify chemical resistance with the epoxy manufacturer for your specific application.

111 rows
Chemical Resistance of Epoxy Resins (Temperature ratings apply unless otherwise noted)
Chemical / Product
Epoxy Resistance
Acetic Acid (20%)Excellent
AcetoneNot Recommended
AcetyleneExcellent
Alcohol - EthylExcellent (< 120°F / 50°C)
Alcohol - IsopropylExcellent
Alcohol - MethylGood (< 71°F / 22°C)
Aluminum ChlorideExcellent (< 71°F / 22°C)
Aluminum FluorideGood (< 71°F / 22°C)
Aluminum HydroxideGood (< 71°F / 22°C)
Aluminum SulfateExcellent (< 71°F / 22°C)
AminesExcellent (< 71°F / 22°C)
Ammonia - LiquidExcellent (< 71°F / 22°C)
Ammonia 10%Excellent (< 71°F / 22°C)
Ammonium CarbonateExcellent (< 71°F / 22°C)
Ammonium ChlorideExcellent (< 71°F / 22°C)
Ammonium HydroxideExcellent (< 71°F / 22°C)
Ammonium NitrateExcellent (< 71°F / 22°C)
Ammonium PhosphateExcellent (< 71°F / 22°C)
Ammonium SulfateExcellent (< 71°F / 22°C)
Amyl AcetateExcellent (< 71°F / 22°C)
AnilineFair (< 71°F / 22°C)
Barium CarbonateExcellent (< 71°F / 22°C)
Barium ChlorideExcellent (< 71°F / 22°C)
Barium HydroxideExcellent (< 71°F / 22°C)
Barium SulfateFair (< 71°F / 22°C)
Barium SulfideGood (< 71°F / 22°C)
BeerExcellent (< 71°F / 22°C)
BenzolExcellent (< 71°F / 22°C)
BoraxExcellent (< 71°F / 22°C)
Boric AcidExcellent (< 71°F / 22°C)
BromineNot Recommended
Butadiene GasExcellent (< 71°F / 22°C)
Butane GasExcellent (< 71°F / 22°C)
Butyl AcetateGood (< 71°F / 22°C)
Butyric AcidFair (< 71°F / 22°C)
Calcium BisulfiteExcellent (< 71°F / 22°C)
Calcium CarbonateExcellent (< 71°F / 22°C)
Calcium ChlorideExcellent (< 71°F / 22°C)
Calcium HydroxideExcellent (< 71°F / 22°C)
Calcium HypochloriteExcellent (< 71°F / 22°C)
Calcium SulfateExcellent (< 71°F / 22°C)
Carbon Dioxide GasExcellent (< 71°F / 22°C)
Carbon TetrachlorideExcellent (< 71°F / 22°C)
Carbonic AcidGood (< 71°F / 22°C)
Citric AcidExcellent (< 71°F / 22°C)
Copper ChlorideExcellent
Copper NitrateExcellent (< 71°F / 22°C)
DichloroethaneGood (< 120°F / 50°C)
Diesel FuelExcellent (< 71°F / 22°C)
Ethyl AcetateFair (< 71°F / 22°C)
Ethyl ChlorideExcellent (< 71°F / 22°C)
Ethylene GlycolFair (< 71°F / 22°C)
Fatty AcidsExcellent (< 71°F / 22°C)
Ferric ChlorideExcellent (< 71°F / 22°C)
Ferric SulfateExcellent (< 71°F / 22°C)
Ferrous ChlorideExcellent (< 71°F / 22°C)
Ferrous SulfateExcellent (< 71°F / 22°C)
Fluorine GasNot Recommended
Fluosilicic AcidFair
Formaldehyde 40%Excellent (< 71°F / 22°C)
Formic AcidFair (< 71°F / 22°C)
R-12 DichlorodifluoromethaneExcellent
GasolineExcellent
GlucoseGood
GlycerineExcellent
HeptaneExcellent
HexaneGood
Hydraulic FluidExcellent
Hydrobromic Acid 100%Not Recommended
Hydrochloric Acid 20%Good (< 71°F / 22°C)
Hydrocyanic AcidExcellent
Hydrofluoric Acid 75%Good (< 71°F / 22°C)
Hydrogen Peroxide 10%Fair (< 71°F / 22°C)
Hydrogen SulfideExcellent
Jet FuelExcellent
KeroseneExcellent
Lactic AcidGood (< 71°F / 22°C)
Lead AcetateExcellent
Magnesium CarbonateExcellent
Magnesium ChlorideExcellent
Magnesium HydroxideExcellent
Magnesium NitrateExcellent
Magnesium SulfateExcellent
Maleic AcidExcellent
MercuryExcellent
Methyl Ethyl KetoneFair (< 71°F / 22°C)
NaphthaExcellent
NaphthaleneExcellent
Nickel ChlorideExcellent
Nickel SulfateExcellent
Nitric AcidNot Recommended
Oil - CastorExcellent
Oleic AcidExcellent
Oxalic AcidExcellent
PhenolGood
Phosphoric AcidGood
Picric AcidExcellent
Potassium BicarbonateExcellent
Potassium BromideExcellent
Potassium CarbonateExcellent
Potassium ChlorideExcellent
Potassium DichromateFair
Potassium HydroxideExcellent
Potassium NitrateExcellent
Potassium SulfateExcellent
Propane (Liquid)Excellent
Silver NitrateExcellent
SoapsExcellent
Sodium AcetateExcellent
Sodium BicarbonateExcellent
Sodium BisulfateExcellent

Source: engineeringtoolbox.com

Resistance Rating Definitions

RatingDescription
ExcellentEpoxy exhibits no significant degradation; suitable for continuous exposure
GoodMinor effects possible; suitable for most applications with monitoring
FairNoticeable degradation may occur; limited exposure recommended
Not RecommendedSignificant degradation expected; avoid contact with epoxy surfaces

Note: Temperature ratings indicate maximum recommended service temperature. Many chemicals that show "Excellent" resistance at room temperature (71°F / 22°C) may cause degradation at elevated temperatures. Always confirm compatibility with your specific epoxy formulation and manufacturer specifications.

References