Camel

Type: Natural fibre | Classification: Animal fibres | Sub-classification: Animal hair



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Fibre structure & physical properties


Fibre composition:

Protein

Diameter: approx 20 μm
Very fine: < 10 μm, Fine: < 20 μm, Medium: 20-50 μm, Course: > 50 μm

Length: Staple

Staple length: Length is dependent on the location on the animal from which the fibre is taken and the duration of growth.
short < 26 mm, medium 26-29 mm, long: 30-38 mm, extra long: 39 mm and over

Natural fibre colour: Animal hair, including sheep's wool, alpaca, angora, cashmere, camel and vicuña is available in a range of colours, typically brown, grey, white and black.

Microscopic Images (Cross sectional and SEM):

Image source:

image license-approval in progress

Caption:

The bulk of the animal hair fibre is called the cortex. This is made up of millions of long cortical cells (fibrils) held together by a strong natural binding material. These cortical cells can slide over each other, making stretch and recovery a characteristic of animal fibres. In some wool’s, Merino particularly, the cortex is composed of two parts (ortho- and para-). These grow at different rates, pushing the fibre into waves (crimp).

(CC) Sebastian Nordstrom
(CC) Sebastian Nordstrom
(CC) Sebastian Nordstrom
(CC) Sebastian Nordstrom

Comment:

Outer layer of overlapping scales, all pointing to the tip of the fibre.

Fibre properties (Mechanical, Chemical and Thermal)


Mechanical Properties

Tensile strength (cN/dtex) :

Chemical Properties

Hydrophobicity: Hydrophilic

Moisture regain (%): 15%

Thermal Properties

Flammability: Animal hair, including sheep's wool, alpaca, angora, cashmere, camel and vicuña, can be difficult to ignite, tends to burn slowly, and smells like burning hair. The ash is blackish and easily crushed.

Sustainability considerations


“Animal hair, including sheeps wool, alpaca, angora, cahmere, camel and vicuña, is ecologically sustainable, self-renewing sources of fibre which grow continually and can be shorn from the animal without harm? But with increased intensive farming methods there are certain issues of animal welfare and pesticides – i.e. mulesing.
Organic wool – produced using not chemicals and animal welfare is a priority.”

End uses


Apparel: coats, outer sweaters and underwear. Furnishings: The long coarser hair may be used as a backing for carpets.

Videos


What is Camel Yarn? [2m 57s]

Materials using this fibre


Additional resources


Taylor MA, 2004. Technology of Textile Properties. Third edition. Forbes Publications, London, UK.

Zhong Z and Xiao C, 2008. Fabric composition and testing. In: Fabric Testing. Ed: Hu, J. Woodhead Publishing Limited, Cambridge, UK.

ISO/TR 11827:2012 Textiles — Composition testing — Identification of fibres.

Houck, Max M. Identification of Textile Fibers. Cambridge : Boca Raton: Woodhead Pub. in Association with The Textile Institute ; CRC, 2009. Print.