目前，工作服厂家选用的工作服面料质量参差不齐，以假货欺骗消费者。雷竞技手机app下载雷竞技app安卓下载为了让大家正确识别工作服面料的真伪，白年老图工作服介绍了一种识别工作服面料真伪的方法——烧制法。雷竞技手机app下载雷竞技app安卓下载主要程序是取一股布纱——烧——闻气味——看烧过的物体来判断面料的真伪。雷竞技app安卓下载下面我们来详细介绍一下。
1. Cotton fiber, hemp fiber cotton, fiber and hemp fiber are all burned just near the flame, burning quickly, the flame is yellow, and blue smoke is emitted. The difference between the smell of burning and the ashes after burning is that cotton burns to give out a paper smell, while hemp burns to give off a smell of plant ash; after burning, cotton has very little powder ash, which is black or gray, and hemp produces a small amount of off-white powder ash. .
2. The wool fiber and the silk wool emit smoke when they are burnt, and the burning speed is slow, and the scorching smell of burning hair is emitted. After burning, the ashes are mostly shiny black spherical particles, which are broken when the fingers are pressed. The silk shrunk into a mass when it encounters fire, and the burning speed is slow, accompanied by a sizzling sound, and the hair emits a scorching smell. After burning, it forms into dark-brown ball-shaped ashes, which will shatter with hand twist.
3.聚酰胺纤维是尼龙和聚酯尼龙的学名，在火焰附近会迅速卷曲并融化成白色凝胶。它在火焰中融化、滴落、起泡。它燃烧时没有火焰。没有火焰很难继续燃烧，而且闻起来有芹菜的味道。浅棕色的熔体冷却后不易研磨。聚酯的学名是聚酯纤维。当它靠近火焰时，很容易点燃和融化。当它燃烧时，它在融化时发出黑烟。它显示出黄色的火焰，并散发出芬芳的气味。 After burning, the ashes are dark brown lumps, which can be broken with fingers.
4.聚丙烯腈纶纤维的学名是聚丙烯腈纤维。它在靠近火的地方会变软和收缩。着火后它会冒出黑烟。火焰是白色的。离开火焰后，它燃烧得很快。它散发出一种烧焦肉的苦味。燃烧后，灰烬呈不规则的黑色块状。手捻易碎。聚丙烯的学名是聚丙烯纤维，在火焰附近熔化，易燃。 It burns slowly away from the fire and emits black smoke. The upper end of the flame is yellow and the lower end is blue, with a smell of petroleum. The ashes after burning are hard round light yellow-brown particles, easy to twist by hand. broken.
维尼纶和维尼纶的学名是聚乙烯醇型纤维。它不容易点燃。它在火焰附近融化收缩。燃烧时，顶部有一点火焰。当纤维融化成凝胶状的火焰时，火焰变大，有浓浓的黑烟和苦涩的香气。燃烧后，剩下的是黑色的小珠子，可以用手指压碎。聚氯乙烯纤维的学名是聚氯乙烯纤维。当你离开火时，它很难燃烧和熄灭。火焰是黄色的，底部有绿色的白烟。它有一种刺鼻、辛辣和酸味。 After burning, the ashes are dark brown irregular lumps, and the fingers are not easy to twist.
