| Common Name(s)5 | Designation2 | Composition | General Properties1 | General Chemical Resistance3 | |
| Resistent to: | Attacked by: | ||||
| Neoprene | CR | Chloroprene | Good Weathering Resistance. Flame retarding. Moderate resistance to pertroleum-based fluids. | Moderate chemicals and acids, ozone, oils, fats, greases, many oils, and solvents. | Strong oxidizing acids, esters, ketones, chlorinated, aromatic and nitro hydrocarbons. |
| EPDM | EPDM, EPM | Ethylene-propylene- diene; Ethylene-propylene | Excellent ozone, chemical, and aging resistance. Poor resistance to pertoleum-based fluids. | Animal and vegetable oils, ozone, strong and oxidizing chemicals. | Mineral oils and solvents, aromatic hydrocarbons. |
| Buna-N | NBR | Nitrile-butadiene | Excellent resistance to pertoleum-based fluids. Good physical properties. | Many hydrocarbons, fats, oils, greases, hydraulic fluids, chemicals. | Ozone (except PVC blends), ketones, esters, aldehydes, chlorinated and nitro hydrocarbons. |
| Silicone | Q, Si | Polysiloxane | Excellent high and low temperature properties. Fair physical properties. | Moderate or oxidizing chemicals, ozone, concentrated sodium hydroxide. | Many solvents, oils, concentrated acids, dilute sodium hydroxide. |
| SBR | SBR | Styrene-butadiene | Good physical properties and abrasion resistance. Poor resistance to petroleum-based fluids. | Most moderate chemicals, wet or dry, organic acids, alcohols, ketones, aldehydes. | Ozone, strong acids, fats, oils, greases, most hydrocarbons. |
| Butyl | IIR | Isobutene-isoprene | Very good weathering resistance. Excellent dialectric properties. Low permeability to air. Good physical properties. Poor resistance to petroleum-based fluids. | Animal and vegetable fats, oils, greases, ozone, strong and oxidizing chemicals. | Petroleum, solvents, coal tar solvents, aromatic hydrocarbons. |
| Natural, Gum Rubber | NR | Isoprene, natural | Excellent physical properties including abrasion and low temperature resistance. Poor resistance to petroleum-based fluids. | Most moderate chemicals, wet or dry, organic acids, alcohols, ketones, aldehydes. | Ozone, strong acids, fats, oils, greases, most hydrocarbons. |
| Isoprene, Polyisoprene | IR | Isoprene, synthetic | Similar to natural rubber. | Similar to natural rubber. | Similar to natural rubber. |
| Hypalon | CSM | Chloro-sulfonyl- polyethylene | Excellent ozone, weathering, and acid resistance. Good and abrasion and heat resistance. Fair resistance to petroleum-based fluids. | Similar to Neoprene with improved acid resistance. | Concentrated oxidizing acids, esters, ketones, chlorinated, aromatic, and nitro hydrocarbons. |
| Acrylic, Poly Acrylate | ABR, ACM | Acrylate-butadiene, copolymer of acrylic ester and acrylic halide | Excellent resistance to high temperature, oil and air, ozone, and weathering. Poor low temperature properties. Not recommended for water service. | Ozone, extreme pressure, lubricants, hot oils, petroleum solvents, animal and vegetable fats. | Water, alcohols, glycols, alkali, esters, aromatic and halogenated hydrocarbons, phenol. |
| Urethane | AU, EU | Polyethylene-apdate, Poly (oxy-1, 4, butylene) ether | Good aging and excellent abrasion, tear, and solvent resistance. Poor high temperature properties. | Ozone, hydrocarbons, moderate chemicals, fats, oils, greases. | Concentrated acids, ketones, esters, chlorinated and nitro hydrocarbons. |
| Chlorinated- polyethylene | CPE | Chlorinated- polyethylene | Excellent ozone and weathering resistance; good heat resistance. Moderate resistance to petroleum-based fluids. | ||
| Viton4, Fluoro-elastomer | FPM | Hexaflouropropylene- vinylidene flouride | Excellent oil and air resistance both at low and high temperatures. Very good chemical resistance. | All aliphatic, aromatic and halogenated hydrocarbons, acids, animal and vegetable oils. | Ketones, low molecular weight esters and nitro containing compounds. |
| Butadiene rubber | BR | Polybutadiene | Excellent abrasion resistance and low temperature properties. High resilience. | Similar to SBR | Similar to SBR |
| Kalrez4 | AFMU | Tetraflouroethylene- flouronitrosomethane- perflourobutyric acid | Excellent chemical resistance. Excellent high and low temperature properties. | ||
| Hydrin, Herchlor | CO | Polychloromethyl oxirane | Excellent oil and ozone resistance. Good flame resistance and low permeability to gases. Fair low temperature properties. | Similar to nitrile with ozone resistance. | Ketones, esters, aldehydes, chlorinated and nitro hydrocarbons. |
| ECH, Hydrin, Herchlor | ECO | Ethylene oxide and chloromethyl oxirane | Good low temperature properties. Excellent oil and ozone resistance. Fair flame resistance. Low permeability to gases. | Similar to nitrile with ozone resistance. | Ketones, esters, aldehydes, chlorinated and nitro hydrocarbons. |
| Fluoro-silicone | FSi | Flourocarbon | Moderate or oxidizing chemicals, ozone, aromatic chlorinated solvents, bases. | Brake fluids, hydrazine, ketones. | |
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