Glass Filled PTFE

Adding glass to PTFE makes it stronger and more durable, as well as reducing flexibility and likelihood of creep. Glass filled PTFE can operate at the same temperature range as virgin PTFE and is similarly chemically inert. Fluorotec offers Glass filled PTFE ranging from 5% to 60% glass content. Increasing the Glass filler content results in an increase in durability and compressive strength. Optionally, glass filled PTFE can be inert gas sintered. This further reduces the material's tendency to creep as well as its porosity. Glass filled PTFE is more abrasive than Virgin PTFE, meaning that it can be abrasive to adjacent surfaces.
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  • 15% Glass Filled PTFE tube reinforced with 15% glass fibres depending on the needs of the application. Glass fibre is used as a PTFE filler as it offers much improved compression and wear properties. The material may also be inert gas sintered to further improve creep properties and reduce porosity and gas permeability (there would be a consequent loss of tensile properties) With 3% MoS2 filled shows the same pressure resistance as glass-filled PTFE but uses MoS2 as a lubricant. Molybdenum also increases hardness and decreases wear

  • 25% Glass fiber Filled PTFE tube reinforced with 25% glass fibres depending on the needs of the application. Glass fiber is used as a PTFE filler as it offers much improved compression and wear properties. The material may also be inert gas sintered to further improve creep properties and reduce porosity and gas permeability (there would be a consequent loss of tensile properties)

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