Wednesday, May 22, 2013

Cotton Fiber Properties


Absorbency and Cotton Fabric
Moisture absorbency is what makes cotton so comfortable in hot weather.
It absorbs the moisture from your skin allowing it to evaporate by passing through the fabric, thus allowing your body to regulate your temperature. This combined with the spun yarns ability to hold the fabric slightly off the skin allows greater comfort than other fabrics in hot conditions.
Heat Conduction and Cotton Fabric
Heat passes freely through cotton; combining this property along with the absorbency characteristic above, you have an unbeatable fiber for making hot weather wearing fabric. However, in cold weather, this strength is a weakness; typicallycotton jackets are not good at retaining the body’s heat.
Resiliency and Cotton Fabric
Fabrics made from cotton tend to wrinkle and do not hold their shape well. This problem can be addressed by specially treating the fabric or blending it with a man made fiber, but you lose a bit of its other properties such as durability and heat conduction by doing so.
Durability and Cotton Fabric
Cotton is very durable, especially when compared with other clothing fibers such as wool or mohair.
In fact, when wet it increases in strength by 30%; thus throwing 100% cotton shirts in the washing machine may mean a lot of ironing, but you can be sure the fabric will remain intact. It can be washed with strong detergents, and the only thing you may want to watch out for is it losing some of its color (thus the case for hand washing).
Cotton’s molecular structure resists heat damage, so ironing is a great way to get the fabric looking crisp; a quick tip – shirts respond best to ironing when they come immediately out of the dryer still a bit damp and warm.
Cotton does have some durability issues though, especially when exposed to acids and bases. Use bleach sparingly as that it weakens the cellulosic fibers of cotton. Cotton fabric should be stored clean and dry to protect from mildew, which digests cellulose and can cause holes if too much time elapses. Cotton fabric is also sensitive to acids, thus a fruit juice stain on your dress shirt should be treated immediately and not left to sit for days.
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