An O-Ring functions as a seal through the mechanical deformation of the elastomeric compound by mating metal surfaces. The resilient rubber conforms to the shape of the metal sections and blocks the passage of gases or liquids. If the pressure increases, the O-Ring is further deformed and provides tighter sealing.
APG, QH70108, Q-Ring, 4-Lobe, Series: QH70, 0.25 in ID, 0.437 in OD, 0.093 in Cross Section, 108 Dash Number, 70 Durometer, -40 to 250 deg F, Nitrile, Black, Import
| Color | : | Black |
| Cross Section | : | 0.093 in |
| Dash Number | : | 108 |
| Domestic/Import | : | Import |
| Durometer | : | 70 |
| Inside Diameter | : | 0.25 in |
| Material | : | Nitrile |
| Outside Diameter | : | 0.437 in |
| Series | : | QH70 |
| Temperature Rating | : | -40 to 250 deg F |
| Type | : | 4-Lobe |
- 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
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