Wool quality complies mostly on wool fiber thickness. Wool is more expensive than some of the other fabrics used in upholstery but it has a huge variety to choose from. Merino wool's versatility extends from luxury fashion to high-performance activewear, accessories, homewares and everything in between. to about 3,000 times for cotton and 2,000 times for silk. 8. There are many breeds of sheep and therefore many wool qualities. They are a pair of long tubular and coiled glands lying one on each side of the alimentary canal of the Caterpillar. We have yet to look at Silk, but Merino was recently featured in one of our comparisons and Cashmere is part of this one. From Gyldendals open Encyclopedia. Major varieties of wool come from Merino, Lincoln, Leicester, Sussex, Cheviot, and other breeds of sheep. Cashmere is significantly warmer and lighter than sheepâs wool. Long wool is rough. #2. Chenille. Silk: Properties and Uses of Silk! Characteristics of Wool Fabrics: There are many factors, which affect the quality of wool fabric. Today, per the title, we will take a look at these two popular types of wool, Merino and Cashmere . Wool can be blended with other synthetic fiber as well. Silk is a natural protein fiber excreted by the moth larva Bombyx mori, better known as the common silkworm. 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 Silk is the result of secretion of silk glands. Color varies depending n the types of wool. Effect of chemical: In case of water, moisture regain of wool is 19% and when wet strength reduces about 20%. In case of alkali, alkali degrades the wool fiber, changes color and reduces strength. Silk is also more heat resistant than many other fabrics, including wool, for example, and is actually rather difficult to burn. The natural elasticity of wool also makes woolen fabrics resistant to tearing. 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. Merino wool is famous worldwide for its next-to-skin softness, strength, innate versatility and technical benefits. Silk. Pros: Wool blends are comfortable. Over thousands of years (just like dog breeds) humans and the environment have selected animals and fleece for different needs. Types of Wool. FIBER ABSORBENCY Wool is a hygroscopic ï¬ber; it takes up moisture in vapor form. Fleece from different breeds of sheep (and there are many hundreds) can be very different. Fibroin, a sort of fibrous protein is secreted by each gland which at first is in the fluid condition. 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. Silk is a fine continuous monofilament fiber of high luster and strength and is highly valued as a prestige fiber. The thinnest under fur is the finest, but also the shortest. 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 â¦ In addition, the outer skin of the wool ï¬ber acts as a protective ï¬lm, giving wool cloth improved resistance to abrasion. The fibers are very fine and delicate, feeling almost like a silk fabric to the touch. Silk, Cashmere and Merino are only some of those that would make the list. Treatment of wool in 5% NaOH solution dissolves the fibre. Blends of wool are more durable and easier to clean. Wool blends are resistant to pilling, wrinkling, soiling, and fading. In case of acid, wool is safe in acid. Here writes "The great Danish" more information about the wool composition and characteristics. 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.