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PTFE, or polytetrafluoroethylene, is a TeflonÂ®-coated woven fiberglass membrane that is extremely durable and weather resistant. PTFE fiberglass membranes can be installed in climates ranging from the frigid arctic to the scorching desert heat with a project life in some cases exceeding 30 years.PTFE fiberglass coating is chemically inert, capable of withstanding temperatures from -100Â°F to +450Â°F (-73Â°C to +232Â°C).TFE fiberglass membranes can be installed in climates ranging from the frigid arctic to the scorching desert heat with a project life in some cases exceeding 30 years. PTFE fiberglass coating is chemically inert, capable of withstanding temperatures from -100Â°F to +450Â°F (-73Â°C to +232Â°C).
Teflon is made up of a substance called Polytetrafluoroethylene, which is considered to be one of the most slippery substance in existence. Teflon is used as a nonstick chemic â¦ al used on cookware.eflon is commonly in households used as a non-stick coating on cookware. It is considered the most slippery material in existence. It is insoluble in almost everything. It do â¦ esn't char or melt in extreme heat. Teflon doesn't rot, swell, mildew, mold or degrade in sunlight.