Lydall - Thermal Resistant PTFE Fiber

PTFE is the `ultimate` regular fiber as it has outstanding chemical and thermal resistance, with the right chemistry, it will operate up to  250°C. Two forms of the fiber are used in filtration applications: Brown - which is very much like a traditional textile fiber in appearance was the original PTFE fiber sold as Teflon. White - which is actually ribbon like in nature is rapidly supplanting brown due to its collection efficiency and greater cost effectiveness.