VICTREX™ PEEK 450FE20
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VICTREX™ PEEK 450FE20: a high-performance tribological PEEK
VICTREX™ PEEK 450FE20 is a grade of polyetheretherketone (PEEK) reinforced with 20% PTFE, developed to meet the demands of friction and wear applications. This material represents an advanced technical compromise between the stiffness and mechanical strength of PEEK and the sliding properties of PTFE.
It is particularly used when parts must operate without lubrication, under high mechanical loads and at high operating temperatures, while ensuring a long service life.
Tribological and mechanical performance
VICTREX™ PEEK 450FE20 stands out for:
- a significant reduction in the coefficient of friction compared to unfilled PEEK,
- significantly improved wear resistance,
- excellent creep resistance, which is essential for bearings and bushings,
- reliable dimensional stability under load and across a range of temperatures.
These features help increase power limits, reduce seizing, and ensure quiet and long-lasting operation, even under severe conditions.
Thermal and chemical resistance
Thanks to the PEEK matrix, the 450FE20 grade retains:
- excellent heat resistance, suitable for high-temperature environments,
- high chemical resistance to many solvents, hydrocarbons, acids, and bases,
- low moisture absorption, ensuring consistent performance over time.
These properties make it the material of choice for demanding industrial environments, including those involving harsh chemicals.
Industrial Applications of VICTREX™ PEEK 450FE20
VICTREX™ PEEK 450FE20 is commonly used in the manufacture of:
- self-lubricating bearings, bushings, and bearings
- sliding contact parts (guides, slides, runners)
- components subject to wear during dry operation
- parts for medical devices and analytical equipment
- Aviation and automotive applications requiring reliability and durability
For dynamic cryogenic applications, a specialized material such as VICTREX™ PEEK CT200 is more suitable.
Transformation and implementation
VICTREX™ PEEK 450FE20 is available in the form of granules and semi-finished products, and can be processed using:
- extrusion,
- injection molding,
- machining of precision engineering parts.
It is particularly well-suited for projects requiring tight tolerances, high material repeatability, and optimized component lifespan.
- Semi-finished product manufacturer : Drake Plastics
- Raw material supplier : Victrex
- Polymer name : Polyaryléthercétone
- Polymer abbreviation : PEEK
- Charge / Reinforcement : PTFE
- Minimum thermal resistance (in °C) : -60
- Mechanical resistance traction module (in MPa) : 78
- Mechanical resistance compression module (in MPa) : 4000
- Mechanical resistance constraint compression (in MPa) : 105
- Mechanical resistance (in MPa) : Medium
- Pressure-velocity limit (PV) : Medium
- Low friction and wear coefficient : Very Low
- Wear resistance : Very Good
- Electrical conductivity : Insulative
- Chemical resistance : Very Good
- Continuous thermal resistance (in °C) : 160
- Maximum thermal resistance (in °C) : 220
