TYPE & CLASS
Type is based upon temperature resistance (degrees F). Class is based upon oil resistance (volume change, #3 oil).
| 158 | 212 | 257 | 302 | 347 | 392 | 437 | 482 | 527 | |
|---|---|---|---|---|---|---|---|---|---|
| 10 | FK | HK | |||||||
| 20 | |||||||||
| 30 | CH | ||||||||
| 40 | BG | ||||||||
| 60 | BF | ||||||||
| 80 | BE | CE | GE | ||||||
| 100 | |||||||||
| 120 | BC | ||||||||
| 140 | |||||||||
| N/A | AA | BA | CA |
| AA | Natural rubber, reclaimed rubber, SBR, butyl, EPDM, polyisoprene |
|---|---|
| BA | Ethylene propylene, high-temperature SBR & butyl compounds |
| BC | Chloroprene (NEOPRENE) |
| BE | Chloroprene (NEOPRENE) |
| BF | NBR (Buna “N” or nitrile) |
| BG | NBR (Buna “N” or nitrile) |
| CA | EPDM |
| CE | Chlorosulfonated Polythylene (HYPALONTM) |
| CH | Epichlorohydrin (ECO), NBR |
| FK | Fluorosilicone |
| GE | Silicone |
| HK | Fluoroelastomer (VITONTM, FLUORELTM, etc.) |
