PYROCOAT® K: Industry-Leading Thermal Stability
OFS is the market leader of optical fibers designed for applications beyond traditional telecommunications uses. These include harsh environments where fibers are exposed to extremes in temperature, aggressive chemicals, and challenging mechanical requirements.
PYROCOAT K coated optical fibers are designed for harsh temperature sensing and communications environments. This thin, hard polymer coating provides mechanically strong fiber with excellent chemical resistance, small cross-section, and industry-leading long-term high-temperature exposure. PYROCOAT K provides excellent thermal stability offering higher operating temperatures than other commercially available polymer coated fibers. Touting continuous lifetime temperatures of 275 °C for up to 80 years, 300 °C for up to 13 years, 325 °C for up to 2.2 years, these new fibers can also withstand short-term (24 hours) excursions as high as 450 °C.
| Commercially Available Polyimide-Coated Fibers | PYROCOAT K | |
| Lifetime at 275 °C | 4 years | 80 years |
| Lifetime at 300 °C | 0.8 years | 13 years |
| Lifetime at 325 °C | 70 days | 2.2 years |
| Lifetime at 350 °C | 18 days | 160 days |
| 20-year Continuous Upper Use Temperature | 250 °C | 293 °C |
| Fiber/Metal Interaction at 300 °C | Fiber sticks to metal | Fiber does not stick to metal |
| Aging in distilled water, 200 °C, 2000 psi, 7 days | Coating material degrades | No coating degradation |
| Aging in sea water, 100 °C, 2000 psi, 14 days | No coating degradation | No coating degradation |
| Aging in mineral oil, 250 °C, 2000 psi, 10 days | No coating degradation | No coating degradation |
| Aging in isopropanol, 250 °C, 1500 psi, 7 days | No coating degradation | No coating degradation |
| NOTE: The lifetimes are based on 25% loss of the initial coating mass criterion. For details, please see A. A. Stolov, D. A. Simoff, J. Li, Thermal Stability of Specialty Optical Fibers, J. Lightwave Technol., 2008, V 26, N 20, P. 3443-3451 | ||
RELATED DOCUMENTS
LineaSens® Wide-Temperature Graded-Index Fiber with PYROCOAT® K Coating – F79696- LineaSens Wide-Temperature AllWave® FLEX Zero Water Peak (ZWP) Single-Mode Fiber with PYROCOAT K Coating – F81255
For additional information please contact your sales representative or fill out our contact form today. You can also visit our website at www.ofsoptics.com or call 1-888-fiberhelp (1-888-342-3743) USA or 1-770-798-5555 outside the USA, and one of our experts will be in touch shortly.
