Material
Engineering Plastic Tube Core
Engineering Plastic Tube Core is evaluated as a brush component material rather than as filament. The correct component material depends on mechanical load, geometry, interface, environment, and how the brush will be cleaned and serviced.
Material Overview
An engineering-plastic tube core is a structural polymer cylinder that carries brush fill and transmits torque in a roller assembly.
In a finished brush, Engineering Plastic Tube Core is controlled by section geometry, support, attachment, working load, environmental exposure, and the cleaning method used on the assembly. The material should be specified together with the component design and the parts it connects to.
Material Properties
| Core outside diameter | 20–400 mm |
|---|---|
| Wall thickness | 2–25 mm |
| Density | 0.9–1.5 g/cm³ by polymer |
| Use temperature | -20–150°C by polymer |
| Bore tolerance | ±0.1–0.5 mm |
Brush Applications
For Engineering Plastic Tube Core, directly related brush structures include Tube & Pipe Bore Brushes and Roller and Conveyor Brushes. Applications related to Engineering Plastic Tube Core include Tube & Pipe Cleaning, Pipe Robot Brush Attachment Use, Hose Cleaning, and Laboratory Tube Cleaning.
Specification and Customization
Material form
Machined / Extruded Tube Core
Common forms
Machined POM, PA, PET, PPS or PEEK tube; extruded polymer tube; molded roller core.
Grade
POM, PA, PET, PPS or PEEK core grade as specified
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 13061-1; ASTM D143
Limitations and Alternatives
Creep, keyway failure, thermal expansion, poor adhesive bonding and bore growth can make a generic plastic tube unsuitable.
Frequently Asked Questions
What are the key properties of Engineering Plastic Tube Core brush material?
An engineering-plastic tube core is a structural polymer cylinder that carries brush fill and transmits torque in a roller assembly. Direct data: Core outside diameter: 20–400 mm; Wall thickness: 2–25 mm; Density: 0.9–1.5 g/cm³ by polymer; Use temperature: -20–150°C by polymer; Bore tolerance: ±0.1–0.5 mm.
Where is Engineering Plastic Tube Core used in cleaning brushes?
Lightweight conveyor, food-process and glass-washing rollers where corrosion resistance and machined interfaces matter.
How does filament geometry change Engineering Plastic Tube Core brush stiffness?
Engineering Plastic Tube Core 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 Engineering Plastic Tube Core be replaced by another material?
Compare Engineering Plastic Tube Core with Steel tube, stainless tube, aluminum core, molded nylon core. Change material when wet stiffness, temperature, chemical resistance, conductivity, particle shedding, or surface marking becomes the limiting factor.
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