The most widely used O-Ring elastomer. Excellent resistance to petroleum products. Excellent compression set, tear and abrasion resistance. Does not have good resistance to ozone, sunlight, or weather, unless specifically compounded. Should not be stored in direct sunlight or near motors or other electrical equipment which may generate ozone.
APG, HB90121, Back-Up Ring, Series: 8 Series, 1.081 in ID, 1.253 in OD, 0.053 in Thickness, 0.086 in Cross Section, Contoured Cross Section, 121 Dash Number, 90 Durometer, Hard Hardness, -40 to 250 deg F, Nitrile, Black, Import
| Color | : | Black |
| Cross Section Shape | : | Contoured |
| Cross Section | : | 0.086 in |
| Dash Number | : | 121 |
| Domestic/Import | : | Import |
| Durometer | : | 90 |
| Hardness | : | Hard |
| Inside Diameter | : | 1.081 in |
| Material | : | Nitrile |
| Outside Diameter | : | 1.253 in |
| Series | : | 8 Series |
| Temperature Rating | : | -40 to 250 deg F |
| Thickness | : | 0.053 in |
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