How To Identify Rayon, Silk And Polyester Yarn

< p > > a href= "//www.sjfzxm.com/news/index_c.asp" > rayon > /a > bright and light, feel slightly rough, and feel cold and wet, clenched tightly after hand, and wrinkled more. After flattening, there are still stripe marks.

The elasticity varies from dry to wet.

Silk is soft, soft, soft, soft and rubbing. It can give out special sound, commonly known as "silk" or "Silk singing". After hand holding, it will release and wrinkles are few and not obvious. Silk yarn is dry and wet.

Polyester silk has strong reflectivity, rigidity, springback is fast, crisp, wrinkle resistant, strong and powerful, and it is not easy to break.

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< p > silk: silk is generally referred to as silk, including mulberry silk, tussah silk, castor silk, cassava silk and so on. Consumers can identify silk fabrics with the following methods.

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< p > > a href= "//www.sjfzxm.com/news/index_q.asp" > item No. /a > recognition: homemade silk fabric is made up of 5 pieces of Arabia numerals. The 5 digits are from left. First digits represent the material number of the fabric, the total silk fabric (including mulberry silk and spun silk) is "1", the chemical fiber fabric is "2", the blended fabric is 3, the tussah silk fabric is 4, and the artificial silk fabric is 5.

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< p > two, price recognition method: the price of real silk fabrics is about two times that of synthetic fiber and simulated silk satin.

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< p > three, lustre and handle recognition method: sample the flat appearance of the sample, the silk has the performance of absorbing light. It looks smooth and can not mirror, the luster is elegant and soft, the pearl is bright, the handle is soft and elegant, the silk thread is denser, the hand scratching will have wrinkles, the higher the purity and the greater the density, the better the silk feel; the silk fabric is deformed and processed, the handle is soft, but the silk surface is dark and has no pearl luster; the chemical fiber fabric is bright, dazzling, and the handle is more stiff.

In addition, silk products should feel a little scratch. The friction of two layers of fabric will produce a "silken" sound, while the fabric of other raw materials is not.

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< p > four, combustion method: extract part of yarn burning, silk can not see the naked fire, burning hair taste, silk gray into black particles, you can use hand to crush; simulation silk fire flame, plastic smell, after the fire will leave the hard rubber block.

The shrinkage rate of silk is higher. It is advisable to buy the finished product in order to choose the first gear larger than the actual demand. If it is cloth, the cloth should be put into the clear water for more than 5 hours before making, so that the cloth can completely absorb the moisture and then dry and soak second times, so that after two soaking and two drying, the real silk will not be deformed, so that the clothes can be washed at will.

However, if the silk is of medium and high grade, it is better to take dry cleaning so that the cloth does not need to be soaked in advance.

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< p > polyester is characterized by resistance to chemicals and frequent washing. It reduces clothing fade and decolorization. Therefore, hotel uniform, < a href= "//www.sjfzxm.com/news/index_h.asp" > stone blue "/a" denim clothing, sportswear or children's clothing will be made of polyester yarn.

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Compared with P, polyester fiber is more tough than rayon.

When embroidery is carried out, the machine is running at high speed, and the high toughness polyester thread can also withstand large pulling force, and its fire resistance is very high. Even if clothes are close to the flame, it is not easy to touch fire.

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< p > > a href= "http://sjfzxm.com/news/index_s.asp" > rayon > /a > bright and light, with a slightly rough handle and a feeling of damp and cold. After clenching with hands, there are more wrinkles. After flattening, there are still streaks.

The elasticity varies from dry to wet.

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