PTFE Soft Coated Fiberglass Gasket Sealing Ropes
High Temperature Heat Resistant
550°F / 287°C Continuous Exposure: Higher Intermittent
This high-temperature rope is heat & chemical resistant PTFE coated rope offers the advantage of a non-asbestos material with a higher temperature range and with excellent resistance to almost all solvents, caustics and acids.
The base fiberglass fabric is rated to 1000°F / 537°C while the PTFE coating melting point is 620°F / 327°C.
The PTFE is applied to the sleeve by dipping the sleeve through an immersion tank of liquid PTFE dispersion. The sleeve is then air dried and high temperature sinterized, flowing the PTFE throughout the fiberglass filaments. The result is a PTFE coating on the sleeve which is soft, robust and flexible; however, it can be abrasively removed from the sleeve with aggressive fingernail scraping, resulting in a thinner and thinner layer of ptfe remaining with each pass. The PTFE also causes the yarns to be sealed and the small gaps between the yarns filled, resulting in an almost air-tight / liquid-tight sleeve wall.
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