MaterialStrengthWeaknessHigh CompatibilityMedium CompatibilityLow Compatibility
EPDMExcellent resistance to weather, ozone, and water; good flexibilityPoor resistance to oils, fuels, and solventsWater, steam, glycol fluidsMild acids and basesOils, hydrocarbons, strong solvents
NeopreneGood balance of chemical and weather resistance; flame resistantLimited resistance to strong acids and hydrocarbonsRefrigerants, water, moderate chemicalsLight oils, diluted acidsAromatic hydrocarbons, strong oxidizing acids
Nitrile (Buna-N)Excellent oil and fuel resistance; good abrasion resistancePoor weather, ozone, and UV resistancePetroleum oils, fuels, lubricantsWater, glycolsStrong acids, ozone, sunlight
TPE (Thermoplastic Elastomer)Flexible, recyclable, easy to processLower heat and chemical resistance than thermoset rubbersWater, mild chemicalsLight oils, cleaning agentsStrong solvents, fuels, high heat
SBR (Styrene-Butadiene Rubber)Good abrasion resistance; cost-effectivePoor resistance to oils, ozone, and weatheringWater, alcoholsWeak acids and basesOils, fuels, ozone
SiliconeExcellent high/low temperature resistance; good weathering and flexibilityPoor abrasion, tear strength, and low fuel/oil resistanceAir, ozone, water, dry heatMild chemicalsPetroleum oils, fuels, concentrated acids
ButylExcellent gas and air impermeability; good resistance to acidsPoor resistance to oils and fuelsWater, acids, alkalisAlcohols, ketonesPetroleum oils, fuels, solvents
Viton (FKM)Excellent chemical, oil, and heat resistanceLimited flexibility at low temperatures; high costOils, fuels, solvents, acidsSteam, hot waterLow-temperature environments, ketones
PolyurethaneOutstanding abrasion and tear resistance; good load-bearingPoor resistance to water, heat, and some solventsOils, fuels, greasesAlcohols, mild chemicalsHot water, steam, acids
FluorosiliconeExcellent fuel and oil resistance with wide temperature rangeLower mechanical strength and tear resistance; costlyFuels, oils, solventsMild chemicals, dry heatStrong acids, bases, steam