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SVKS Seal, with over 10 years experience, is one of the leading custom molded high quality rubber o ring in silicone fkm epdm nbr manufacturers and suppliers in China. And we also offer the customized service catering to your special requirement. Please be free to buy the rubber products with competitive price from us.
O Rings are one of our main products.We have FKM O Ring, Silicone O Ring, NBR O Ring, Neoprene O Ring, HNBR O Ring, NR O Ring, EPDM O Ring, FFKM O Ring, FVMQ O Ring, etc. We have complete range of specifications of standard o rings with AS568, JIS, DIN, GB etc, also we can produce non standard o ring accoring to your requirement.
Features of different material rubber o ring
| Viton O ring | Silicone O ring | NBR O ring | HNBR O ring | EPDM O ring | NR O ring | Peoprene O ring | |
| Abbreviation | FKM | silicone | NBR | HNBR | EPDM | NR | Neoprene |
| Durometer(shoreA) | 60-90 | 30-90 | 20-95 | 50-90 | 30-90 | 20-90 | 20-95 |
| Tensile(P.S.I) | 500-2000 | 200-1500 | 200-3000 | 2600 | 500-2500 | 500-3500 | 500-3000 |
| Elongation(Max.%) | 300 | 700 | 600 | 530 | 600 | 700 | 600 |
| Compression set | good | Good | Good | Excellent | Good | Excellent | Good |
| Resilience-Rebound | Fair | Good | Good | Excellent | Good | Excellent | Excellent |
| Abrasion Resistance | Good | Fair to poor | Excellent | Excellent | Good | Excellent | Excellent |
| Tear Resistance | Good | poor | Good | Excellent | Fair | Excellent | Good |
| Solvent Resistant | Excellent | poor | Good to excellent | Good | Poor | Poor | Fair |
| Oil Resistant | Excellent | Fair to poor | Good to excellent | Excellent | Poor | Poor | Fair |
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