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, HB90218, Back-Up Ring, Series: 8 Series, 1.266 in ID, 1.502 in OD, 0.05 in Thickness, 0.118 in Cross Section, Contoured Cross Section, 218 Dash Number, 90 Durometer, Hard Hardness, -40 to 250 deg F, Nitrile, Black, Import
| Color | : | Black |
| Cross Section Shape | : | Contoured |
| Cross Section | : | 0.118 in |
| Dash Number | : | 218 |
| Domestic/Import | : | Import |
| Durometer | : | 90 |
| Hardness | : | Hard |
| Inside Diameter | : | 1.266 in |
| Material | : | Nitrile |
| Outside Diameter | : | 1.502 in |
| Series | : | 8 Series |
| Temperature Rating | : | -40 to 250 deg F |
| Thickness | : | 0.05 in |
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