| RUBBER
POLYMER REFERENCE CHART |
| COMMON NAME |
OUT-STANDING PROPERTIES |
Chemical Type |
| BUTADIENE-ACRYLONITRILE |
Oil, fuel and solvent resistant |
butadiene-acrylonitrile copolymer BUNA N |
| BUTADIENE RUBBER cis-1 |
High abrasion resistance, high resilience, low set good flex life |
4 polybutadiene BR |
| BUTYL RUBBER |
Low air permeability. Heat resistance. Resistance to inorganic chemicals |
isobutylene-isoprene copolymer IIR |
| MODIFIED BUTYL |
Improved Heat resistance and processability |
chlorobutyl, brominated butyl |
| CARBOXYLIC RUBBER |
Excellent abrasion resistance. Can be modified with carboxy groups vulcanized without
sulfur. Good ozone resistance. |
butadiene acrylonitrile |
| CHLOROPRENE RUBBER |
Moderate oil resistance, flex resistance, ozone resistance. |
CR polychloroprene, Neoprene |
| EPICHLOROHYDRIN |
Good fuel and oil resistance with good ozone resistance. Low gas permeability. |
RUBBER epichlorohydrin homopolymer CO |
| epichlorohydrin ethylene |
Good fuel, oil and ozone resistance. Good at low temperature. Low gas permeability. |
oxide copolymer ECO |
| EPT RUBBER |
Hot water, steam, dry heat, inorganic chemicals and ozone resistance. |
terpolymer of ethylene propylene and a diene EPDM |
| ETHYLENE PROPYLENE |
Hot water, steam dry heat, inorganic chemicals and ozone resistance. |
RUBBER copolymer of ethylene and propylene EPM |
| FLUOROCARBON RUBBER |
Outstanding chemical and solvent resistance at temperatures up to 500 F. |
copolymer and vinylidene fluoride and hexafluoropropylene FMK |
| FLUOROELASTOMER |
Outstanding acid resistance. Serviceable to 400 F. |
copolymer of chlorotrifluoroethylene and vinylidene fluoride CFM |
| FLUOROELASTOMER |
Solvent resistance -80 to 350 F. |
phosphonitrillic fluoroelastomer |
| FLUOROSILICONES fluoro |
Solvent resistance coupled with high and low temperature resistance. |
substituted silanes FVMQ |
| HYPALON chlorosulfonated |
Ozone, chemical and oil resistance up to 300 F |
polyethylene CSM |
| CHLORINATED |
Ozone, chemical and oil resistance up to 300 F |
POLYETHYLENE CM |
| ISOPRENE RUBBER cis-1,4 |
Low heat build-up in tires (low hysteresis) |
polyisoprene NR |
| NATURAL RUBBER cis-1,4 |
Low heat build-up in tires (low hysteresis) Excellent resilience |
polyisoprene NR |
| NITRILE BUTADIENE |
Oil, fuel and solvent resistance |
RUBBER butadiene-acrylonitrile copolymer NBR, BUNA-N |
| POLYACRYLATE RUBBER |
Heat resistance to 300 F combined with moderate oil resistance |
acrylic ester copolymer ACM |
| MODIFIED POLYACRYLATE |
Heat resistance to 300 F combined with moderate oil resistance |
copolymer ethylene and methyl methacrylate ANM |
| POLYCHLOROPRENE |
Moderate oil resistance, flex resistance and ozone resistance |
Neoprene CR |
| POLYETHER RUBBER |
Excellent heat, oil and ozone resistance with excellent low gas permeability |
copolymer of epichlorohydrin or arylglycizyl ether GPO |
| POLYNORBORNENE poly 1, |
High strength in very low hardness. Can tailor dynamic properties |
3 cyclopentylene vinylene PNR |
| POLYSULFIDE RUBBER |
Outstanding organic polysulfide rubber resistance to certain PTR solvents |
| POLYURETHANE |
High tensile strength and unusual abrasion resistance. Good oil resistance. |
ELASTOMERS reaction products of dilsocyanates and polyalkylene ether glycols or
polyesters AU- EU |
| SILICONE RUBBER |
Outstanding high and low temperature resistance. |
polydimethylsiloxane and variations MQ, PVMQ, VMQ |
| STYRENE BUTADIENE |
General purpose synthetic rubber With somewhat better heat resistance than natural
rubber. |
RUBBER styrene-butadiene copolymer BUNA S GRS SBR |
| THERMOPLASTIC RUBBER |
Moldable by styrene butadiene Thermoplastic techniques. Elastomeric at temperature up
to 200 F. |
thermoplastic rubber YSBR |