Material
Cotton Yarn
Cotton Yarn is selected from its stiffness, recovery, wear, wet-service, chemical, and temperature behavior. Do not select stiffness from the material name alone. Specify filament diameter, free trim, density, grade, and service conditions as one set.
Material Overview
Cotton is a cellulose natural fiber whose absorbency and wet strength make cotton yarn useful for wiping and carrying liquids or compounds.
In a finished brush, Cotton Yarn 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
| Fiber diameter | 12–25 µm per fiber |
|---|---|
| Yarn diameter | 0.5–8 mm |
| Moisture regain | about 7–9% |
| Use temperature | up to 100°C |
| Liquid carrying | very high |
Brush Applications
For Cotton Yarn, directly related brush structures include Tube & Pipe Bore Brushes and Handheld Detail Brushes. Applications related to Cotton Yarn include Tire Cleaning, Automotive Detail Cleaning, Tube & Pipe Cleaning, and Pipe Robot Brush Attachment Use.
Specification and Customization
Material form
Twisted Yarn / Tuft
Common forms
Twisted cotton yarn; cotton mop or tuft; cotton thread wound around wire or a core.
Grade
Absorbent cotton-yarn brush 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 139; ISO 5079; ISO 20743
Limitations and Alternatives
Lint, moisture retention, slow drying, fiber contamination and exposed wire make cotton unsuitable for some cleanroom, food or precision uses without validation.
Frequently Asked Questions
What are the key properties of Cotton Yarn brush material?
Cotton is a cellulose natural fiber whose absorbency and wet strength make cotton yarn useful for wiping and carrying liquids or compounds. Direct data: Fiber diameter: 12–25 µm per fiber; Yarn diameter: 0.5–8 mm; Moisture regain: about 7–9%; Use temperature: up to 100°C; Liquid carrying: very high.
Where is Cotton Yarn used in cleaning brushes?
Oil application, residue pickup, compound delivery and gentle tube, bottle or surface wiping.
How does filament geometry change Cotton Yarn brush stiffness?
Cotton Yarn 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 Cotton Yarn be replaced by another material?
Compare Cotton Yarn with Microfiber, wool, felt, PVA sponge. Change material when wet stiffness, temperature, chemical resistance, conductivity, particle shedding, or surface marking becomes the limiting factor.
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