list some important characteristics of wool and silk

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Over thousands of years (just like dog breeds) humans and the environment have selected animals and fleece for different needs. Silk is a fine continuous monofilament fiber of high luster and strength and is highly valued as a prestige fiber. to about 3,000 times for cotton and 2,000 times for silk. Short notes on mulberry and non mulberry silk varieties ; List of some of the most important model questions on clothing and textiles ; 7 self-tested ways for properly washing silk fabrics ; Short notes on the structure of the pupa of silk moth ; Notes on the structure and characteristics of wool Long wool is rough. Wool has antibacterial and antimicrobial properties The thin waxy coating of wool fibre contains fatty acids that inhibit the growth of mold, mildew and bacteria. Cashmere is significantly warmer and lighter than sheep’s wool. Fleece from different breeds of sheep (and there are many hundreds) can be very different. Silk is a natural protein fiber excreted by the moth larva Bombyx mori, better known as the common silkworm. Wool is more expensive than some of the other fabrics used in upholstery but it has a huge variety to choose from. Often cashmere is made into a wool blend and mixed with other types of wool, like merino, to give it added weight, since cashmere fibers are very fine and thin. Treatment of wool in 5% NaOH solution dissolves the fibre. In case of acid, wool is safe in acid. Silk is also more heat resistant than many other fabrics, including wool, for example, and is actually rather difficult to burn. Wool blends are resistant to pilling, wrinkling, soiling, and fading. Blends of wool are more durable and easier to clean. Merino wool is famous worldwide for its next-to-skin softness, strength, innate versatility and technical benefits. They are a pair of long tubular and coiled glands lying one on each side of the alimentary canal of the Caterpillar. Types of Wool. Here writes "The great Danish" more information about the wool composition and characteristics. 8. Fibroin, a sort of fibrous protein is secreted by each gland which at first is in the fluid condition. Silk, Cashmere and Merino are only some of those that would make the list. There are many breeds of sheep and therefore many wool qualities. Characteristics of Wool Fabrics: There are many factors, which affect the quality of wool fabric. Silk. Merino wool's versatility extends from luxury fashion to high-performance activewear, accessories, homewares and everything in between. Pros: Wool blends are comfortable. FIBER ABSORBENCY Wool is a hygroscopic fiber; it takes up moisture in vapor form. Color varies depending n the types of wool. #2. Major varieties of wool come from Merino, Lincoln, Leicester, Sussex, Cheviot, and other breeds of sheep. Wool naturally absorbs the suns UV rays before it can make contact with your skin; by wearing wool you will be protected against the sun harmful rays. The kind of sheep from which the wool is obtained, its physical condition, the part of the sheep from which the wool is obtained, and the finishing processes are some of the factors, which affect the properties of wool … Wool quality complies mostly on wool fiber thickness. Silk: Properties and Uses of Silk! The thinnest under fur is the finest, but also the shortest. The fibers are very fine and delicate, feeling almost like a silk fabric to the touch. Silk is the result of secretion of silk glands. In case of alkali, alkali degrades the wool fiber, changes color and reduces strength. In addition, the outer skin of the wool fiber acts as a protective film, giving wool cloth improved resistance to abrasion. We have yet to look at Silk, but Merino was recently featured in one of our comparisons and Cashmere is part of this one. The natural elasticity of wool also makes woolen fabrics resistant to tearing. From Gyldendals open Encyclopedia. Wool can be blended with other synthetic fiber as well. Today, per the title, we will take a look at these two popular types of wool, Merino and Cashmere . Chenille. Effect of chemical: In case of water, moisture regain of wool is 19% and when wet strength reduces about 20%. Many factors, which affect the quality of wool is a fine continuous fiber... Wool fabric moisture in vapor form wool fiber, changes color and reduces strength of list some important characteristics of wool and silk... Are very fine and delicate, feeling almost like a silk fabric to the touch the... Prestige fiber secretion of silk glands the touch other synthetic fiber as well two popular types of also. Continuous monofilament fiber of high luster and strength and is highly valued as a prestige fiber extends luxury... 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