Wool Fabrics

 

Wool is mainly made from the fur of sheep.  The hair of other mammals, such as goats, rabbits and Llamas can also be called wool.  Two qualities distinquish wool from hair or fur.  One is that it has scales which overlap like shingles on a roof.  Another is that it is crimped, sometimes as much as 20 bends or crimps per inch.
 
Wool Fabrics have greater bulk that other textiles due to the crimps.  Wool Fabrics retain air which causes the fabric to retain heat.  Wool can also stretch to about twice it's length without breaking when in water or steam.  This allows wool garments to be stretched without losing their shape.
 
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Straight off of the sheep, wool contains a high level of grease which contains valuable lanolin. It also contains dirt, dead skin, sweat residue and vegetable matter. Before being used for commercial purposes, the wool must be cleaned and scoured. The lanolin is removed from the wool and is used in other industries such as the cosmetic industry in lotions.
 
The Wool is seperated into five main qualities after shearing. These are fleece, broken, pieces, bellies and locks. The quality of the fleece is determined by wool classing and is determined by fiber diameter, yield, staple length, color and staple strength. The fiber diameter is the most important characteristic when determining the quality and price of the Wool.
 
Wool is used in clothing, horse blankets, rugs, carpeting, wool insulation, and upholstery.