PTFE / Teflon
Exceptionally low friction, chemically inert, and heat resistant; ideal for seals and linings.
Among the most versatile polymers, PTFE is known for its low coefficient of friction, its superior wear properties, and the ability to withstand high voltages, high temperatures, and very corrosive chemicals. PTFE has low water absorption and is FDA approved for food and medical applications. Its properties can be enhanced with a range of fillers - from glass, to carbon, to bronze and molybdenum disulphide. It is a machinable polymer that can also be extruded into profiles.
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Capabilities
- Source and/or compound a variety of grades and formulations.
- Ability to mould and extrude PTFE shapes, tubes and gasket tapes.
- Fully equipped machine shop with 3,4, and 5-axis capabilities to create complex machined components.
- Dedicated lab to test key properties and dimensions.
Key Properties
- Superior Chemical Resistance
- Low Coefficient of Friction
- Self-lubricating
- Near Zero Stick/Slip Force
- Wide Temperature Range
- Low Moisture Absorption
- High Electrical Resistance
- High Compressive and Tensile Strength
Limitations
- Can be dimensionally unstable over wide temperature ranges.
- difficult to bond.
- cold flow under load.
- Difficult to machine to tolerances below 30 microns.
- Cannot be injection moulded.
Applications
- Aerospace Equipment
- Semiconductor Equipment
- Chemical Linings
- Valve Seats and Seals
- Radomes & Microwave Antenna
- High Voltage Applications
- Fluid transfer Applications
- Railway Sliding Pads
- Piston Bands
- Membranes and porous filters
- Medical Equipment
