Material
PEEK Filament
PEEK Filament is selected from its stiffness, recovery, wear, wet-service, chemical, and temperature behavior. For brush stiffness, do not give only the material name. Filament diameter, free trim, density, grade, and service conditions must be specified together.
Material Overview
PEEK is a high-performance thermoplastic with strong chemical and thermal capability, but published resin limits do not automatically become brush assembly limits.
In a finished brush, PEEK Filament does not create a fixed stiffness by itself. Filament size, exposed length, density, tuft layout, and contact setting control the brush feel, while grade and service conditions control long-term behavior.
Material Properties
| Density | 1.29–1.32 g/cm³ |
|---|---|
| Melting point | 343°C |
| Water absorption | about 0.1% |
| Continuous service | up to 250°C |
| Filament diameter | 0.10–1.20 mm |
Brush Applications
For PEEK Filament, directly related brush structures include Roller and Conveyor Brushes and Handheld Detail Brushes. Applications related to PEEK Filament include Connector & Slot Cleaning, PCB Cleaning, Printer & Scanner Cleaning, and 3D Printer Nozzle Cleaning.
Specification and Customization
Material form
Filament
Common forms
Filament.
Grade
High-temperature brush-filament grade
Reference standard
ISO 527-1:2019; ASTM D638; ISO 62:2008; ASTM D570-22; ISO 868:2003; ASTM D2240-15(2021); ISO 4892-3:2024; ASTM G154-23; UL 94
Limitations and Alternatives
Not needed for low-cost general cleaning where PP/Nylon is sufficient.
Frequently Asked Questions
What are the key properties of PEEK Filament brush material?
PEEK is a high-performance thermoplastic with strong chemical and thermal capability, but published resin limits do not automatically become brush assembly limits. Direct data: Density: 1.29–1.32 g/cm³; Melting point: 343°C; Water absorption: about 0.1%; Continuous service: up to 250°C; Filament diameter: 0.10–1.20 mm.
Where is PEEK Filament used in cleaning brushes?
High-temperature process, electronics and chemically demanding specialty brushes where ordinary polymers lose strength.
How does filament geometry change PEEK Filament brush stiffness?
PEEK Filament changes brush stiffness through filament diameter, free trim, density, crimp, and contact. Use finer filament and longer trim for conformable contact; use coarser filament, shorter trim, or higher density for stronger displacement or cutting.
When should PEEK Filament be replaced by another material?
Compare PEEK Filament with PBT, PTFE, Nylon. Change material when wet stiffness, temperature, chemical resistance, conductivity, particle shedding, or surface marking becomes the limiting factor.
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