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Compare over 15 types of rubber to find the right material for you.
Oil-Resistant Buna-N Rubber Balls
- Color: Black
- Temperature Range: -40° to 212° F
- Tensile Strength: Durometer 40A (Medium Soft): 1,000 psi; Durometer 70A (Hard): 1,800 psi
- For Use Outdoors: No
Use these balls as seals in pumps and check valves or let them bounce inside of vibrating sifters for an effective screen cleaner. Buna-N is also known as nitrile, NBR, and acrylonitrile butadiene. It offers good resistance to petroleum-based oils.
| Dia. | Dia. Tolerance | Durometer | Specifications Met | Each | |
| 1/8" | -0.005" to +0.005" | 40A (Medium Soft) | __ | 00000000 | 00000 |
| 1/8" | -0.005" to +0.005" | 70A (Hard) | ASTM D2000 M BG 712 | 0000000 | 000 |
| 3/16" | -0.003" to +0.003" | 70A (Hard) | ASTM D2000 BG 714 | 0000000 | 0000 |
| 7/32" | -0.005" to +0.005" | 70A (Hard) | ASTM D2000 M BG 712 | 0000000 | 0000 |
| 1/4" | -0.003" to +0.003" | 70A (Hard) | ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715 | 0000000 | 0000 |
| 5/16" | -0.003" to +0.003" | 70A (Hard) | ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715 | 0000000 | 0000 |
| 3/8" | -0.003" to +0.003" | 70A (Hard) | ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715 | 0000000 | 0000 |
| 7/16" | -0.004" to +0.004" | 70A (Hard) | ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715 | 0000000 | 0000 |
| 1/2" | -0.004" to +0.004" | 70A (Hard) | ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715 | 0000000 | 0000 |
| 5/8" | -0.004" to +0.004" | 70A (Hard) | ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715 | 0000000 | 0000 |
| 3/4" | -0.004" to +0.004" | 70A (Hard) | ASTM D2000 BF 715, ASTM D2000 BG 715, ASTM D2000 BK 715 | 0000000 | 0000 |