4.It is difficult to solve the problem of color difference by traditional cotton blending method(1) according to the research and production experience of many foreign experts, some defects in yarn, s......
3.4 control of rungs caused by twist difference in spinning processIn the spinning process, if the equipment foundation management and operation are not good, the spindle speed will be different, resu......
3. The control of the factors that produce the rung in the spinning process3.1 establish the system of chemical fiber inspection and raw cotton gradingBefore using all kinds of chemical fiber material......
1 PrefaceKnitted fabric has the characteristics of soft texture, moisture absorption, air permeability, elasticity and drape. Knitted clothing is comfortable, close fitting, unrestrained, free and fas......
6 irregularityThe unevenness index includes the weight unevenness index and the sliver evenness index. The general spinning factory pays more attention to the unevenness index, and the monitoring leve......
5 average strength and strong weak ringSome quality problems in spinning, such as hairiness, nep, different fiber, strong weak ring and immature fiber content percentage, are all important problems th......
4 hairiness(1) the main process of generating hairiness is spinning. There are two places that have the most influence on generating hairiness on spinning frame. The first is the spinning triangle are......
3 immature fiberImmature fiber: refers to the cotton fiber with thin cell wall, large lumen, no twist, and partial ribbon fiber.(1) because the dyeing performance of immature fiber is different from t......
2 heterosexual fiberThe concept of heterosexual fiber refers to other fibers with different dyeing properties from cotton fiber, such as wool, hemp, silk and chemical fiber. Mixed with these different......
Some quality problems in spinning, such as hairiness, nep, different fiber, strong weak ring and immature fiber content percentage, are all important problems that directly affect yarn quality, fabric......
The peak season of the textile market will be two months ahead of time relative to clothing. We textile workers should be in the pre-order preparation work now. However, the recent international situa......
1. Different raw materials:Nylon yarn is made of nylon yarn twisted together; PE yarn is made of poly-stranded chemical fibers woven with dipping gum; carbon yarn is made of resin with fluorine and ca......
If the air suction of carding is not good, the air flow of carding is disordered, the internal chaotic fibers and short fibers in sliver are more, and the drawing distance is not appropriate, the fi......
III. Yarn hairiness mainly occurs in spinning and grooved drum processes1.The influence of spinning process on hairiness Spinning is the key process of spinning.The quality of spinning equipment has a......
The yarn hairiness problem has the following phenomena:1. The overall value of hairiness is high and the fabric surface is not clear, which seriously affects the dyeing effect.2. The CV value of feath......
I. Basic SurveyYarn hairiness is formed by exposing fibers to the surface of the yarn body during yarn forming. Cotton yarn is formed by twisting and coagulating one short fibre after another. It is i......
2.1.2.4 RatingIf the control cloth has yellowed, it shows that phenolic compounds and NO2 exist simultaneously, and they are in contact, so the test is successful. The yellowing degree can be evaluate......
1. Edidafa cuts the cloth into 50 mm *70 mm size, then clamps it in the middle of the filter paper, then places the sample filter paper in two pieces of glass, and adds a certain pressure to make th......
1.4 Oil AgentOil is used in sewing thread production to improve the spinnability and sewing performance of yarns. But these oils can yellowing the sewing thread. Unsaturated paraffin spinning oils ads......
The so-called yellowing of sewing thread refers to the yellowing of sewing thread itself and caused by oxidation and destruction in the process of production, storage, circulation or use. Once the sew......
Analysis of sewing thread Chemical PerformancePH content, formaldehyde content, lead content, azo dye test, heavy metal content test, water absorption, moisture content, odor, mercerizing effect of c......
Colour fastnessThe color fastness to soap washing (small sample), rubbing, chlorine water, non-chlorine bleaching, dry cleaning, actual washing (ready-made clothes, sewing threads), perspiration, wate......
Fabric Thread CategoryVarious fibrillar component fabrics: cotton, linen, wool (sheep, rabbit), silk, polyester, viscose, spandex, nylon, CVC, etc.Various structural fabrics: woven (plain, twill, sati......
The fineness of high shrinkage polyester filament yarn is 300D, and the shrinkage of dry heat or boiling water is 30%. The crepe style appearance is formed only by high shrinkage polyester filament ya......
High shrinkage polyester filament and DTY combined into a net to produce concave and convex pattern by combining high shrinkage polyester filament with low elasticity polyester filament and network pr......
From the perspective of cotton industry, the mechanism and transparency of China's cotton macro-control policies have stabilized market expectations in recent years, and the cotton target price reform......
Textile fibers1. Definition: Fiber is a natural or synthetic filamentous material, textile fibers refer to the fibers used for textile cloth.2. Textile fiber characteristics: textile fiber has a certa......
A. Natural fiber sewing thread1. Cotton sewing thread: With high strength, good heat resistance, suitable for high-speed sewing and durable pressing characteristics; mainly used for cotton fabrics, le......
In terms of technical description, e-commerce purchasers need to understand the ingredients of raw materials, including yarn density per centimeter, thread surface weight per square meter, yarn number......
In spinning process, when the yarn and thread spinning tension is greater than the strength of cotton yarn thread, it will break the end, which is the essence of spinning broken end. The average valu......
In order to let professional and non-professional people deepen their understanding of the industry and our company, I will publish and update the relevant information of the industry and our company ......
The function of polyester low elasticity yarn thread and the introduction of the ideal raw material for knitting or weaving are polyester low elasticity yarn thread. One of the deformed yarn thread t......
Environmental protection has always been highly valued. More and more people begin to pay attention to the green production of textiles threads, green agents, especially dyes, which are important comp......
Definition of polyester thread:Polyester thread is an important variety of synthetic fibers and is the trade name of Chinese polyester thread fibers. Polyethylene terephthalate (PET), a fibre-forming......
Sino-US trade frictions are undoubtedly the most frequent keywords in the field of international news in 2018 and recently. Although the leaders of China and the United States reached a consensus dur......
Nylon 66 Bondi yarn thread product introduction: Nylon 66 bondi yarn thread is a kind of sewing yarn thread using nylon (nylon 66) continuous filament ply twisting, bonding, dyeing and oil winding pro......