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What is shrinkage test in garments?
Shrinkage test in garments is a process used to determine the amount of shrinkage a fabric or garment will experience during laundering. It involves washing and drying the fabric or garment according to specified conditions and then measuring any dimensional changes that occur. This test helps manufacturers assess the potential for shrinkage in their products and make adjustments as needed.
How do you control of shrinkage lycra fabric?
I try shirting cotton lycra fabric shrinkage control but not succses why? finishing stenter m/c befor stenter -10 % shrinkage after sanforise -12% shrinkage why increase? I set shrinkage -6% to -7 % but not set ? which type of process set to control shrinkage on cotton lycra fabric.
How do you take shrinkage report in knitted fabrics?
how to take shrinkage calculate of knit fabric
What is residual shrinkage in woven?
Residual shrinkage in woven fabrics refers to the amount of shrinkage that occurs after the initial washing or treatment. This is typically measured by comparing the dimensions of the fabric before and after washing, and the residual shrinkage percentage indicates how much the fabric will continue to shrink with subsequent washes. Residual shrinkage is important to consider when evaluating the suitability of a fabric for specific uses or applications.
What Factors Will Affect The Fabric Shrinkage?
1.The shrinkage will be different according to different material of fabric.Usually large absorbent fibers will swell after soaking. Diameter will increase and length will shorten. For example water absorption of some viscose will reach 13%, while some synthetic fiber's is less because it has bad hygroscopicity. 2.The shrinkage will be different according to different density of fabric. For example shrinkage will be similar between warp and weft if their densities are similar. On the contrary, shrinkage of weft will be larger if density of the weft is larger than warp's. 3.The shrinkage will be different according to different yarn count of fabric. Shrinkage of fabric which has thick yarn count is large and vice versa. 4.The shrinkage will be different according to different production technology of fabric. Generally fiber of fabric will stretch couple times during weaving, dyeing and finishing. Long process will make shrinkage larger and vice versa.
Why do shrunk finish to the cotton fabric?
The cellulose fiber fabric can breathable moisture absorption,good performance,But the shrinkage rate is big,often bring inconvenience to consumers.But after the shrunk finish,the warp direction of the fabric can shrink in advance,thus lower the shrinkage rate of the finished fabric,to meet the quality requirements of garment processing. The international market usually have requirement to the high-grade products about the warp and weft shrinkage rate,but the commonly used preshrinking machine,have no shrinkage effect to the fabric weft.The high-grade products in order to ensure the shrinkage rate of weft can meet requirement,before the fabric entering the preshrinking machine,must be complete the weft preshrinking,general it is fit doing in Singeing, sizing process,appropriate to increase the fabric warp elongation,have the effect of cloth width contraction,to ensure the products that after preshrinking finishing can meet the double shrinkage requirement. By yulong tex
Which methods can reduce the fabric shrinkage rate?
1. Decreasing tension while refined bleaching. 2. During dyeing and finishing process, drying every cloth need to loose the tension, reduce the elongation for avoiding over-shrink the width, if it is a scutching continuous heating machine, the fabric need a small fabric container then threading into frame after scutching, to avoid too much tension between scutching and squeezing. 3. During mercerizing, expanding tension need to be controlled for keep width of grey fabric, and weft elongation need to be noticed. 4. After mercerizing, the tension in post-processing need to be tight controlled for the product, because mercerized and elongated weft shrinkage rate can be customized by semi-finished product index in every process, fabric in every machines need be measured, post-processing need to check the former process, for ensure the semi-finished product due width. 5. In every process, suppress washing machine, twitch roller, compression roller and drying cylinder need to be checked and well maintained for keep them smooth and clean. Avoid fabric wrinkle after tension loosed, twitch roller in sink should be well operating, in one machine, line speed of front roller and back roller should not a big difference, warp tension should not let the fabric touch the floor, there should be a tightness adjustment device or a partitioned transmission adjustment device for controlling the tension while long-machine subsection. 6. For some machinery tension need to be controlled by manual, standardize tech operations, strengthen tech operation, strengthen machine cleaning, reduce operation tension, reduce the fabric shrinkage rate effectively. 7. Strengthen checking the mercerizing tech condition, conditional dye-works can use straight roller and clip for mercerizing. 8. Fabric kind which have a big weft shrinkage rate, such as khaki, gabardine and poplin need a preshrunk process, for reducing shrinkage rate. In tight producing, these fabric kind can reach the 4% shrinkage rate best, if only rely on loosing mechanical tension, this shrinkage rate should take preshrink process for more reduction, after preshrink process, the product got better shrinkage and better hand-feeling, even the grains become clear and soft. 9. For fabric kind got a big weft shrinkage rate, some cannot get a good weft shrinkage rate in reasonable condition for unreasonable width of grey fabric, it is worse in bad producing condition, this situation need a improvement approaching. Mercerization kind need to prove the fabric width meet the requirement. Otherwise the grey fabric's specification need to be improved, broaden the width of grey fabric for ensuring weft shrinkage rate reduce to requirement range. 10. Resin finishing can reduce shrinkage and provide better elasticity ( hand feeling need to be noticed ), and coating can also reduce shrinkage. 11. For T/C synthetic blending fabric, the mercerizing process technology and operation an control the shrinkage. By yulong tex
How do you calculate boys shorts fabric consumption?
To calculate fabric consumption for boys' shorts, first, determine the pattern pieces needed and their dimensions. Measure the width and length of each piece, including seam allowances. Then, factor in the fabric width (usually 45" or 60") to optimize layout and minimize waste. Finally, add extra fabric for hems, pockets, or any design elements, and consider shrinkage if pre-washing the fabric.
What is mercerised fabric?
A merceised fabric is washed and/or processed in sodium hydroxide ,also commonly known as Caustic soda. This process improves the lusture and strength of the fabric , however leading upto 5% shrinkage in overall fabric meterage.
What does it mean when your t-shirt is preshrunk?
This means that the fabric of your t-shirt has already been washed and dried. If you wash your t-shirt, it should stay the same size as when you bought it and not get smaller.
Does drying clothes on high heat setting cause shrinkage?
Yes, drying clothes on a high heat setting can cause shrinkage because the high temperature can damage the fibers in the fabric, causing them to contract and shrink.
Sanforizing treatment is given to fabrics made of?
Sanforizing treatment is typically given to cotton fabrics to reduce shrinkage when washed. The process involves stretching, steaming, and then re-sizing the fabric to stabilize it and prevent further shrinkage.
