国产欧美一区二区三区免费视频,成人精品视频在线观看,91色视频,免费精品,国产视频一二区,国产一区二区在线观看视频,99热精品视

Online Sevice

  • Nantong YUEYE Textile Co., Ltd.
  • Tel:0086-513-85261533 
  • Fax:0086-513-85261511
  • ADD:No,1111 Taiping Road(N),Guanyin Shan Street,Nantong Jiangsu.China
  • E-mail:gjx@jsyyfz.com

The properties, characteristics and identification methods of clothing fabrics
2015-01-13 00:00:00

The properties, characteristics and identification methods of clothing fabrics


Cotton fiber and hemp fiber


Cotton fiber and hemp fiber are just near the flame burning, burning quickly, the flame is yellow, blue smoke. The difference between the two is that cotton burning gives out the smell of paper while hemp burning gives out the smell of wood ash. After combustion, cotton has very little powder ash, black or gray, hemp will produce a small amount of gray powder ash.


Wool fibers and pure silk


Hair meets fire to smoke, when burning bubble, burning speed is slower, send out the burnt stink that burns a hair, after burning ash is glossy black ball grain more, the finger presses namely broken. It shrinks into clumps by fire, burns slowly and hissing, and gives off a singed smell of hair. When burned, it forms small balls of black and brown ash, which can be broken if you twist it.


3. Polyamide fiber and polyester


Polyamide fiber, the scientific name of polyamide fiber, near the flame is quickly rolled down into white glue, in the flame of melting drop and bubble, there is no flame when burning, leaving the flame is difficult to continue burning, emitting a celery flavor, after cooling light brown melt is not easy to grind. Polyester polyester fiber, easy to ignite, near the flame melting shrinkage, burning edge melting edge black smoke, yellow flame, sending out a sweet smell, burning ashes for dark brown hard, with fingers can be broken.


Four, acrylic and Polypropylene fiber


Acrylonitrile fiber is known as polyacrylonitrile fiber. It melts and shrinks near the fire, gives off black smoke and white flame, and burns quickly after leaving the flame, giving off the bitter smell of burning meat. After burning, the ashes are irregular black hard pieces, which can be easily broken by hand twist. Polypropylene fiber, known as polypropylene fiber, is melted near the flame, flammable, burns slowly away from the fire and gives off black smoke. The top of the flame is yellow and the bottom is blue, emitting oil smell. After burning, the ashes are hard round and light brown particles, which are easily broken by hand twist.


V. Vinylon and Chloroprene


Pva is known as polyvinyl formal fiber, not easy to ignite, near flame melting shrinkage, combustion top has a little flame, when the fiber melts into a gelatinous flame become larger, there is a thick black smoke, send out bitter smell, burning left with black beads of particles, can be crushed by fingers. Polyvinyl chloride fiber, difficult to burn, from the fire is extinguished, the flame is yellow, the lower green white smoke, emitting a pungent acrid acid smell, burning ashes for black brown irregular hard, fingers are not easy to twist broken.


Spandex and flon


Polyurethane fiber, also known as polyurethane fiber in science, melts and burns near the fire. When burning, the flame is blue and melts away from the fire, giving off a particularly pungent odor. After burning, the ashes become soft and fluffy black ash. Fluoron scientific name polytetrafluoroethylene fiber, ISO organization called it fluorite fiber, near the flame only melting, difficult to ignite, do not burn, edge flame is blue green carbonization, melting and decomposition, gas toxic, molten material for hard round black beads. Fluorocarbon fiber is often used to make high performance sewing thread in textile industry.


Viscose fiber and cuprammonium fiber


Viscose fiber is inflammable, burning speed is very fast, the flame is yellow, sending out burning paper smell, burning ash less, a smooth twisted strip of light gray or gray white fine powder. Cuprammonium fibre common name is kapok, near the flame is burning, burning speed, the flame is yellow, sending out ester acid taste, burning ashes, only a small amount of gray black ash.


陆河县| 盈江县| 高尔夫| 新泰市| 岳阳县| 商河县| 阆中市| 卢湾区| 渝北区| 盐边县| 望江县| 蓬莱市| 巨鹿县| 杨浦区| 增城市| 会理县| 景洪市| 化隆| 九台市| 吴堡县| 临潭县| 海兴县| 增城市| 六安市| 桂平市| 措美县| 福建省| 皋兰县| 肇东市| 天全县| 泸定县| 大足县| 蓝山县| 册亨县| 洮南市| 三原县| 鲁山县| 新乐市| 开封县| 盐源县| 黎城县|