The composition of a garment's fabric is composed of what methods can be identified. Today Xiao Bian took this question to you briefly:
One, cotton fiber and hemp fiber
The cotton fiber and the hemp fiber are both close to the flame, burning rapidly, yellow flames, and blue smoke. The difference between the burning odor and the burned ash was that the cotton incineration announced the paper odor and the linen burning odor was announced; after burning, the cotton had very little powder ash, black or gray, and a small amount of grayish white powder ash appeared on the ramie.
Second, wool fiber and silk
Hairy fire smoke, when burning, foaming, burning slower, scattered burned hair announced the smell of coke, burning ash after the more glossy black spherical particles, a finger pressure is broken. Silk huddled in a fire, burning slower, accompanied by buzzing sound, scattered hair burning smell announced, after burning into a dark brown ball ash, broken handcuffs.
Third, nylon and polyester
Polyamide polyamide fiber, near the flame that is rapidly agile melt into a white gel, flaming in the flame dripping and blistering, there is no flame when incinerated, it is difficult to continue burning from the flame, declared celery flavor, cooled light brown melting Things are not easy to grind. Polyester scientific name of polyester fiber, easy to point, near the flame that is melted down, burning black smoke while melting side, was yellow flame, issued an aromatic smell, burning ash after the dark brown hard block, with your fingers can be broken.
Fourth, acrylic and polypropylene
Acrylic name polyacrylonitrile fiber, softening and shrinking near the fire, black smoke after the fire, the flame was white, quickly burned after the flame, scattered to announce the bitter smell of fire, burned ash as irregular black lump, handcuffs fragile . Polypropylene Polypropylene fiber, near the flame that is melted, flammable, from the fire burning slowly and black smoke, the flame at the top yellow, the lower end of the blue, scattered declared oil flavor, burned as hard round yellowish brown ash particles, easy handcuffs broken.
V. Vinyl and Kleenex
The name of PVA is polyvinyl chloride-formaldehyde fiber. It is not easy to light, and the flame is melted and shortened. The flame at the top of the flame is a bit of flame. When the fiber is melted into a jelly flame, the flame becomes larger, there is thick black smoke, and the smell of bitterness is generated. The black remains after burning. Bead-like particles can be crushed with your fingers. Lactose fiber name PVC fiber, it is difficult to burn, away from the fire that is extinguished, the flame was yellow, the lower end of the green white smoke, issued a spicy pungent smell sour, burning after the ashes were dark brown irregular hard blocks, fingers are not easy to smash.
Six, spandex and Kevlar
Polyurethane fiber of polyurethane fiber is burned near the fire edge. The flame is blue when it is burned. It is continuously ignited when separated from the fire. It is declared as a special irritating odor. The burned ash is soft and loose. Fluorinated ethylene fiber, ISO arranges to call it a fluorite fiber, the near flame only melts, hard to ignite, does not burn, the marginal flame is blue-green carbonized, melts and differentiates, the gas is poisonous, the melt is a hard round black bead. Flexo fiber is commonly used in the textile industry to make high-performance sewing threads.
Seven, viscose fiber and copper ammonium fiber
Viscose fibers are flammable, burning fast, yellow flame, paper burning odor, burning less ash, showing a turbulent gray light gray or gray fine powder. Copper ammonium fiber, commonly known as tiger kapok, is burned near the flames, burning fast, the flame is yellow, ester odor, burning ash, very few, only a few gray black gray.