Advantages and disadvantages of natural fibres in general relate to durability, fibre strength and commercial acceptance. Other considerations include cost, the renewable nature of natural fibres compared to synthetics, lack of skin irritations and the biodegradability of natural fibres. Disadvantages include supply and demand cycles based on product availability and harvest yields, moisture absorption, and quality variations based on growing sites and seasonal factors.
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Cotton is easily woven, reflects light and is a cool fibre. It can be worn and washed numerous times and dries quickly. Cotton fibres are well known, with high consumer acceptance. Cotton is highly absorbent, feels soft and is breathable. However, despite all these advantages, cotton wrinkles easily. Additionally, while cotton is one of the most widely traded natural fibres, it runs up against cost concerns in competition with other materials. In the article "Harvesting the Benefits of Natural Fibers" in Nonwovens Industry magazine, technical manager Chuck Allen said customers want new uses, "but are not willing to pay any extra for it."
Other Natural Concerns
Wool, linen and silk all have strengths and weaknesses, depending on how they are used. Wool is hardy, but it also tends to shrink when not cleaned according to instructions. Taken from live animals, wool is generally more expensive than cotton. Linen shares the cool quality of cotton, but does not dye easily. Silk is soft, sheer, strong and easily soaks up dyes. But even with its strength, silk is a delicate fabric that can fade easily. It takes more care when washing and cleaning, as cleaning fluids can weaken the fibres.
Industrial Natural Fiber
As society moves away from using natural fibres for clothes and furniture fabrics, hemp fibres are becoming an option in industrial fibre use. Hemp fibre has high staple strength and low cost, according to Canadian supplier Hempline. It is used as a reinforcement fibre in automotive and construction products. A chief drawback is consumers' lack of familiarity with hemp fibre. Staple strength can be too strong for some applications. Hempline processes the fibre to different strengths to broaden its appeal and market acceptance.
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