Material
Goat Hair
Goat Hair is selected from its stiffness, recovery, wear, wet-service, chemical, and temperature behavior. Stiffness is set by the complete filament specification, including material, diameter, free trim, density, grade, and service conditions.
Material Overview
Goat hair is a fine, soft natural animal hair with a natural kink, used in short soft brushes rather than abrasive cleaning tools.
In a finished brush, Goat Hair does not create a fixed stiffness by itself. Filament diameter, trim length, density, tuft layout, and installed contact determine working force, while grade and environment affect durability and recovery.
Material Properties
| Fiber diameter | 20–60 µm |
|---|---|
| Density | about 1.30 g/cm³ |
| Use temperature | up to 70°C |
| Brush stiffness | very soft |
| Liquid carrying | high for fine coating and dusting |
Brush Applications
For Goat Hair, directly related brush structures include Handheld Detail Brushes, Roller and Conveyor Brushes, and Strip Seal Brushes. Applications related to Goat Hair include Brick, Tile & Building Material Machine Brush Use, Dust Removal, Industrial Machine Cleaning, and Carpet Machine Cleaning.
Specification and Customization
Material form
Natural Bristle
Common forms
Natural bristle.
Grade
Soft sorted goat-hair brush grade
Reference standard
ISO 139; ISO 5079; ISO 20743
Limitations and Alternatives
Not for aggressive scrubbing or wet chemical process cleaning.
Frequently Asked Questions
What are the key properties of Goat Hair brush material?
Goat hair is a fine, soft natural animal hair with a natural kink, used in short soft brushes rather than abrasive cleaning tools. Direct data: Fiber diameter: 20–60 µm; Density: about 1.30 g/cm³; Use temperature: up to 70°C; Brush stiffness: very soft; Liquid carrying: high for fine coating and dusting.
Where is Goat Hair used in cleaning brushes?
Very soft dust removal, delicate surface finishing and optical or instrument cleaning with low contact pressure.
How does filament geometry change Goat Hair brush stiffness?
Goat Hair 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 Goat Hair be replaced by another material?
Compare Goat Hair with Boar bristle, goat hair, microfiber. Change material when wet stiffness, temperature, chemical resistance, conductivity, particle shedding, or surface marking becomes the limiting factor.
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