Material
PA66 Nylon
PA66 Nylon is selected from its stiffness, recovery, wear, wet-service, chemical, and temperature behavior. To define stiffness, confirm the material together with filament diameter, free trim length, density, grade, and service conditions.
Material Overview
PA66 is a polyamide filament commonly selected for stiffness recovery and abrasion duty; conditioning and grade formulation can materially change its properties.
In a finished brush, PA66 Nylon does not create a fixed stiffness by itself. Contact performance comes from the filament geometry and installed setting; grade, moisture, heat, and chemistry determine how it performs over time.
Material Properties
| Density | 1.13–1.15 g/cm³ |
|---|---|
| Melting point | 255–265°C |
| Water absorption at saturation | 7–9% |
| Shore hardness | D 80–85 |
| Filament diameter | 0.10–2.00 mm |
Brush Applications
For PA66 Nylon, directly related brush structures include Tube & Pipe Bore Brushes, Roller and Conveyor Brushes, Handheld Detail Brushes, and Bottle & Container Brushes. Applications related to PA66 Nylon include Industrial Machine Cleaning, Screen & Sieve Cleaning, Floor Scrubbing, and Dust Removal.
Specification and Customization
Material form
Filament
Common forms
Filament; roller/strip brush fill.
Grade
Standard PA66 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; ISO 37; ASTM D412; ISO 48-4
Limitations and Alternatives
For food, medical or chemical service, use a named PA66 grade with the documentation and exposure data required by the project.
Frequently Asked Questions
What are the key properties of PA66 Nylon brush material?
PA66 is a polyamide filament commonly selected for stiffness recovery and abrasion duty; conditioning and grade formulation can materially change its properties. Direct data: Density: 1.13–1.15 g/cm³; Melting point: 255–265°C; Water absorption at saturation: 7–9%; Shore hardness: D 80–85; Filament diameter: 0.10–2.00 mm.
Where is PA66 Nylon used in cleaning brushes?
Firm industrial rollers, floor scrubbers and strip brushes that need strong bend recovery and wear resistance.
How does filament geometry change PA66 Nylon brush stiffness?
PA66 Nylon 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 PA66 Nylon be replaced by another material?
Compare PA66 Nylon with PA6, PBT, PET. Change material when wet stiffness, temperature, chemical resistance, conductivity, particle shedding, or surface marking becomes the limiting factor.
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