Clothing made from organic materials

Introduction Clothing is made from organic materials such as cotton, polyester, acrylic, nylon, spandex.... There are many ways to identify clothing fabric ingredients. Recently, due to some textiles and kimonos sold in the market.

Clothing made from organic materials

Cotton, polyester, acrylic, nylon, spandex... there are many

Identification of clothing fabric ingredients

Recently, due to labeling names and content of fabric ingredients are not standardized, allowing unscrupulous traders to take advantage of the opportunity to pass off inferior products as good products and to deceive consumers by passing off counterfeit products for authentic products. In order to help consumers accurately identify the actual main components of clothing fabrics, here is a simple and common sense identification that consumers can refer to when purchasing clothing.

A simple method to identify the composition of clothing fabrics is the combustion method. The method involves removing a strand of fabric containing warp and weft from the seam of the garment, lighting it withof the fire, observing the state of the burning flame, smelling the smell of the burning fabric and observing the combustion. The remaining residue is used to determine whether it matches the fabric composition listed on the clothing durability label to identify the authenticity of the fabric composition.

1. Cotton fiber and hemp fiber Cotton fiber and hemp fiber ignite as soon as the flame is close, burning quickly, with yellow flame and blue smoke. The difference between the two

burning odors and ashes after burning is that the burning of cotton emits a paper odor, and the burning of hemp emits a grass ash odor after burning, cotton

has very; little powdery, black or gray ash, while hemp produces a small amount of off-white powdered ash.

2. Wool fibers and silk wool smoke when exposed to fire, foam when combustion, burn slowly, smell like burning hair, and leave a lot of ash after burning

is a black, shiny spherical particle that breaks into pieces when pressed with fingers. When silk is exposed to fire, it shrinks into a ball and burns slowly, with a hissing sound and a smell of burning hair, after burning, it condenses into small dark brown spherical ashes, which can be broken into pieces when they are twisted. hand.

3. Nylon and polyester Nylon, whose scientific name is polyamide fiber, rolls up quickly and melts into a white gel when close to the flame.

3. Nylon and polyester Nylon, whose scientific name is polyamide fiber, rolls up quickly and melts into a white gel when near the flame.

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When combustion, there is no flame and it is difficult to continue burning without the flame. It smells of celery and cast ironn clear is difficult to grind after cooling. Polyester

The scientific name is polyester fiber. It ignites easily and melts when near the flame, it melts and emits black smoke, showing green flame and giving off aromatic smell. when burning, it turns into ashes. It is a dark brown piece that can be crushed with your fingers.

4. Acrylic fiber and polypropylene fiber. The scientific name for acrylic fiber is polyacrylonitrile fiber. It softens and shrinks when close to fire, it emits black smoke and the flame is white. quickly after leaving the flame

and emits the pungent odor of roasting meat. After burning, the ashes turn into irregular black pieces that are easily broken by hand. The scientific name for polypropylene is polypropylene fiber. It melts and shrinks when near the flame. It burns slowly when kept away from fire and emitst black smoke. is blue, giving off an odor of petroleum. After burning, the ashes are hard, round, light yellow-brown particles and are easily broken by hand.

5. Vinylon and chlorofluor. The scientific name for vinylon is formal polyvinyl fiber. It does not melt or shrink near the flame, and there is a point at the top when burning. /p>

Flame, when the fibers are melted into a gel, the flame will become larger, with thick black smoke and bitter smell. After burning, small black pearl-like particles will remain, which can be crushed with your fingers.

The scientific name of polyvinyl chloride fiber is polyvinyl chloride fiber. It is difficult to burn and goes out immediately after leaving the fire, with green and white smoke at the lower end, emitting an irritating and pungent odor.

It has a spicy and sour smell. After burningAfterwards, the ashes become an irregular dark brown lump, difficult to crush with your fingers.

6. Spandex and fluoronex spandex, whose scientific name is polyurethane fiber, melt and burn near the fire when burning, the flame is blue and keep melting and burning when leaving the fire.

Melting and burning, dispersing It emits a peculiar pungent odor, and the ashes turn into soft and fluffy black ashes after burning. The scientific name for fluoronon is polytetrafluoroethylene fiber. The ISO organization calls it fluorite fiber. It only melts near the flame, is difficult to ignite and does not burn. The peripheral flame is charred to a blue-green color and decomposes as it melts. , the melt

is a round, hard black pearl. Fluorinated fibers are commonly used in the textile industry to make high-performance sewing threads.

7. Viscose fiber and cupr fibero-ammonium Viscose fiber is flammable, burns very quickly, has a ** flame, smells like burning paper and leaves less ash after combustion

. p> Smooth fine powder twisted into a light gray or off-white ribbon shape. Copper-ammonium fiber, commonly known as tiger kapok, burns very quickly near a flame. The flame is yellow and has a sour smell, there is very little ash and only a small amount of gray-black. ash.

How long do a car's original spark plugs typically last?

The threads of this piece of fabric that are burning and emitting black smoke are acrylic and polypropylene fabrics. The scientific name for acrylic fiber is polyacrylonitrile fiber. It softens and shrinks when near fire. It emits black smoke after catching fire and the flame is white after leaving the flame and gives off a pungent smell of roasting meat. Aftercombustion, the ashes turn into irregular black lumps and are easily broken by hand. The scientific name for polypropylene is polypropylene fiber. It melts and shrinks when near the flame. It burns slowly when away from the fire and emits black smoke. blue, giving off a petroleum odor. After burning, the ashes are hard, round, light yellow-brown particles, which can be twisted by hand and fragile. So the threads of this piece of fabric that are burning and giving off black smoke are acrylic and polypropylene fabrics.

The most common original car spark plugs are nickel alloy spark plugs. This type of spark plug is generally used for around 20,000 kilometers and has average performance.

Spark plug life is related to the electrode material, spark plug brand and other factors. Generally, theOrdinary nickel alloy spark plugs need to be replaced once every 20,000 kilometers, which has the shortest service life. ; platinum alloy spark plugs need to be replaced every 40,000 kilometers; iridium spark plugs can be replaced between 60,000 and 80,000 kilometers and have a long lifespan. But these are just some reference values, and they will depend on the use of the spark plug.

Classification of spark plug material grades

There are roughly nickel alloy spark plugs, platinum spark plugs, nickel alloy spark plugs, platinum iridium ignition and gold iridium spark plugs. Among these materials, the platinum iridium spark. Gold iridium plugs and spark plugs are both good.

In addition to choosing the spark plug material, car owners also need to make aBe careful when choosing the calorific value of the spark plug. It is best to choose a calorific value that matches that of the original car. Too big or too small. the calorific value will have a certain impact.

If the calorific value is reduced, insufficient combustion of the oil-gas mixture may occur, resulting in insufficient power. Insufficient heat dissipation may even cause the candle temperature to be too high, further causing deflagration and other phenomena. If the calorific value of the spark plug increases, the heat dissipation capacity will be stronger, the temperature of the spark plug will drop faster, and carbon deposits will easily form on the ignition head, causing failure current and preventing the spark plug from igniting. .

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