How to identify high-quality flame-retardant denim fabric

Ring yarn denim
With the development and application of new technology and equipment such as high speed ring spinning, large package, fine knot and knotless yarn, the short yarn length of coarse yarn branch is short, the production efficiency is low, the knot and many other shortcomings have been solved. Denim yarn gauze is replaced by the current situation is rapidly changing, the great re-emergence of ring yarn trend. Since ring-spun denim is superior to air-jet yarns in some aspects such as hand feel, drape, tear strength and the like, and because of the psychological return to nature, the pursuit of the original developed denim style is more important because the ring yarn Spinning denim clothing after grinding process, the surface will show a hazy bamboo-like style, is in line with today's personalized jeans needs. In addition, the market is very popular slub yarn denim equipment, and ring bamboo can be spun out of a shorter and more dense bamboo, but also promote the development of ring flame retardant denim.

Bamboo flame-retardant denim fabric
When designing the slub yarn with different yarn numbers, different thicknesses of bamboo (compared with the base yarn), the length and pitch of the bamboo, single-or single-weft yarn and double-weft yarn are equipped with slub yarn, Or different number of normal yarn for the appropriate ratio and arrangement, you can produce a wide range of bamboo denim, washed by the garment can be formed after a variety of different hazy or clearer bar-style flame retardant Jeans, by the consumer demand for personalized groups. Early bamboo flame-retardant denim fabric are almost all ring slubby, because of its shorter length can be spun, pitch smaller, relatively dense density of slub yarn, easy to form a more dense fabric effect , And to the main bamboo festival. With the development of consumer demand in the market, the popular two-way bamboo denim fabric, especially the two-way elastic weft bamboo denim fabric, are very popular in domestic and foreign markets. Some varieties, as long as the organizational structure well designed, the warp can be a single species of ring yarn, weft with the appropriate proportion of slub yarn, the same can be achieved Jingwei two-way effect of bamboo denim.
Weft elastic fire-retardant denim fabric
The use of spandex yarn, so that the varieties of fire-retardant denim fabric developed to a new area, both denim fitted personal and comfortable, together with bamboo or different colors, so that the flame-retardant denim fabric products to adapt more fashion, personalized Of consumer demand, which has great potential for development. At present, most elastic flame-retardant denim fabric is weft stretch, elastic stretch is generally 20% to 40%, elastic stretch depends on the size of the fabric design, the warp and weft in the fabric machine Tight smaller, the elastic more On the contrary, under the condition that the warp yarn tissue tightness is fixed, the greater the tightness of the weft elastic yarn, the smaller the elasticity and the tightness in the weft direction, or even the loss of elasticity. In addition the current stretch denim finished cloth outstanding problem is the zonal shrinkage is too large, usually 10% or more, some even as high as 20% or more. Fabric instability to bring great difficulties in the production of apparel, the first solution is to do not make the product in the design of elastic elongation is too large, usually take 20% to 30%, that is, to maintain a certain latitude and longitude to the tightness of the organization, and in Shrinking finishing to take appropriate ways to increase the tension, so that the fabric has a larger contraction, so as to obtain a lower degree of finished fabric weft shrinkage shrinkage rate; Another solution is elastic denim after pre-shrink finishing heat-setting treatment , So you can get a more uniform cloth width and more stable, low latitude shrinkage, to meet the garment processing requirements.

Flame-retardant fabrics in the prevention of fire has a good protective effect, fire-retardant overalls can effectively reduce the fire and sputter metal droplets on the human body injury - YuLong Safety