| Characteristics | Butyl | EPDM | Hypalon (Chloro- sulfonated Poly- ethylene) |
Natural Rubber (Polyiso- prene) |
Neoprene (Chloro- prene) |
Nitrile (BUNA-N) |
Silicone | Styrene Butadiene SBR |
| ASTM D-2000 Classification | AA | BA | CE | AA | BC | BF | GE | AA |
| Durometer | 40-75 | 40-90 | 55-95 | 30-90 | 40-90 | 40-95 | 45-85 | 40-90 |
| Elongation | Fair | Good | Fair | Excellent | Excellent | Good | Fair | Good |
| Heat Aging | Excellent | Excellent | Good | Good | V.Good | Excellent | Excellent | Good |
| Lubricationg Oil Resistance | Poor | Poor | Good | Poor | Good | Excellent | Fair | Poor |
| Aromatic Oil Resistance | Poor | Poor | Poor | Poor | Fair | Good | Poor | Poor |
| Animal-Begetable Oils Resistance | Excellent | Poor | Good | Fair | Excellent | Good | Good | Fair |
| Flame Resistance | Poor | Poor | Excellent | Poor | Good | Poor | Fair | Poor |
| Tear Resistance | Good | Good | Excellent | Good | Good | Fair | Poor | Fair |
| Abrasion Resistance | Good | Good | Excellent | Excellent | Excellent | Good | Poor | Good |
| Compression Set Resistance | Fair | Fair | Good | Good | Fair | Good | Fair | Fair |
| Dielectric Strength | Good | Good | Good | Excellent | Fair | Poor | Good | Excellent |
| Freedom from Odor | Good | Fair | Excellent | Excellent | Good | Fair | Fair | Fair |
| Maximum Temperature (F) | 259 | 359 | 259 | 219 | 269 | 269 | 559 | 215 |
| Minimum Temperature (F) | -50 | -50 | -35 | -45 | -50 | -40 | -150 | -50 |
| NEOPRENE | All purpose outdoor-indoor synthetic Rubber resistant to most chemicals, oils, weathers, etc. |
| EPDM | Outdoor weather resistant even under extremely sever conditions. Resistant to color fade-heat-electricity. |
| NITRILE (Buna-N) | Especially resistant to aromatic hydrocarbons, gasoline, petroleum oils, mineral and vegetable oils. |
| SBR | Non oil resistant, economically priced rubber especially noted for its low water absorption properties. |
| NATURAL | Extremely resilient with high tensile & elongation properties. Resistant to flexing, permanent set & electricity. |
| SILICONE | Can withstand extreme heat or cold and retain flexibility. Normal temperature range 150²F to 500²F |
Our Goal | Extrusion | Molded | Elastomers | Contact Us
5232 Tod Ave. SW Unit 23 / Warren, Ohio 44481
Ph. 330-392-7665 / 800-952-3140 / Fx. 330-394-6847
www.dybrook.com / info@dybrook.com
ISOITS 16949:2002 Registered
Web Design & Web Hosting Services by The Karcher Group