The elastic band material is generally composed of rubber, polyester, glue, elastic fiber, etc. Generally used synthetic rubber: cis-1,4-polyisoprene rubber, cis-1,4-polybutadiene rubber. According to different weaving methods, it can be divided into the following types:
First、Woven elastic band: made of cotton or chemical fiber as warp and weft yarns, interwoven with a group of rubber yarns (latex yarn or spandex yarn) according to certain rules.
Second、 Knitted elastic band: woven by warp-knitted weft insertion method. Under the action of hook needles or tongue needles, the warp threads are woven into braided chains, the weft threads are lined in each braided chain, and the scattered braided chains are connected into a belt. Clamping. Knitted elastic band can weave all kinds of small patterns, color bars and crescent edges. The texture is loose and soft. Most of the raw materials are nylon stretch silk. Most of the products are used in women’s bras and underwear.
Third、 Braided elastic band: also known as ingot elastic band, the warp is woven around the rubber wire through the spindle in an “8” shaped track. The belt has a herringbone pattern, the width is generally 0.3 to 2 cm, the texture is between woven and knitted elastic bands, the variety of colors is relatively monotonous, and it is mostly used in clothing.