Everyone in life should have heard of a variety of sweaters, so what do you know about wool? Today, I will come with you to understand it, what is the general sweater with the wool, and what is the type of wool? Follow the editor we come to learn it. 　　What is the general sweater with wool? (1) coarse wool: strand line density of about 400 te, generally into 4 strands, per share line density of about 100 te. Pure wool senior coarse wool yarn spun from fine wool, expensive. Pure wool intermediate coarse wool is made of medium wool. This kind of wool yarn is thicker, stronger and fuller in hand. The woven sweater is thick and warm, and is generally used for winter clothing. (2) Fine wool yarn: Stranded yarn density 167~398t, generally also 4 strands. There are two kinds of goods: stranded wool and ball-shaped wool (ball wool). This wool line dry and clean, soft to the touch, beautiful color. It is mainly used to weave into thinner sweaters, light and fitting, for the spring and autumn season, the amount of wool is less. (3) fancy wool: this product is a wide range of colors, varieties constantly renovated. For example, gold and silver clip silk, printing clip flowers, large and small beads, circle line, bamboo knots, chains and other varieties. Each has its own special charm after weaving into sweaters. (4) Knitting wool: generally 2 single yarn strands, mostly used for machine knitting. This kind of knitted sweater is characterized by light, clean, soft and smooth. 　　What are the types of wool yarn? 1. Cotton thread: Cotton fiber is probably the most widely used fiber in the garment industry. Cotton fabric is breathable and sweat-absorbent, but less elastic. Cotton thread used for weaving in addition to multi-stranded cotton thread there are cotton rope, hollow flat with cotton and other types. 2. Cotton rope: the same shape and lint, there are thick and thin, thin and fine lint almost as thick, suitable for summer weaving short sleeves or hook clothes can be, the texture is relatively soft, can be worn close to the body and weave clothes for babies, but also better than the kind of multi-stranded general cotton weave, will not appear oblique or leak weave and so on. 3. Hollow flat belt cotton: there are also thicker or thinner, the effect of weaving up and cotton rope is similar, but will be a little thinner than the same thick cotton rope. In addition, because the flat belt is hollow, breathable, so it is very suitable for summer clothing weaving. But the drawback of the flat belt is woven loose easy to sag. 4. Linen line: hemp fiber is the first human used to do clothing textile raw materials, now generally used in the textile is mainly flax fiber. Linen fiber known as the "Queen of natural fibers," with other fibers do not have a special structure - pectin beveled holes. These beveled pores in contact with the skin will produce capillary phenomenon, can timely adjust the ecological temperature environment of the human skin surface, and thus has a strong temperature regulation function and moisture absorption and breathability performance. Therefore, linen fabric wearing ShuJian and cool breathable, is the first choice of summer clothing. 　　How to choose wool it 1. Look at the wool line stem is rich, uniform, round and smooth, twist degree is appropriate. Not loose, not tight, soft hand grip for the quality of good wool. 2. Look at the color head of the wool is correct, luster is good, there is no color spot and color difference. The color head is good, good luster, consistent color, no color spots and color difference is good quality wool. 3. Look at the number of wool joints. Generally speaking, the production of a single yarn joint is allowed, but not [wool brand] wool selection method exceeds the prescribed standard, a skein (50g) allows a joint, a large (250g) allows three joints. More than this standard, the quality of wool yarn should be downgraded. Therefore, the wool joint less should be said to be good quality wool. Also should pay attention to the wool should not stick and hanging felt. 4. Look at the weight. Generally speaking, coarse wool is half a catty a handful (a handful of five skeins), that is, 250g; knitting wool 2.5 two handfuls, that is, 125 grams. The weight is sufficient to indicate that the quality of wool is good. 　　How much thread is needed for a sweater in general? Knitting an adult sweater requires about 1.9 pounds of coarse thread, 1.5 pounds of medium coarse thread, and 0.9 pounds of fine thread. Knitting a sweater specifically depends on the body of the wearer to determine the amount of wool, if you really do not know how to seek the advice of the wool seller. Sweater is a machine or hand-knitted woolen top, humans also in the original life of the use of leaves, animal skins to cover the body, in the fishing and herding life of the net fishing, know how to use the techniques of knitting, with the evolution of civilization, people began to use a variety of natural fibers crocheted more household items. Handmade sweater knitting has a long history in China, but it was first knitted with one needle and one thread, and it was only in the 1980s that machine knitting gradually emerged.