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How to distinguish nylon ribbon from polyester ribbon?

2021-06-02 05:55:47

How to distinguish nylon ribbon from polyester ribbon? Dongguan Yimin ribbon Co., Ltd. - environmental protection paper rope, Dongguan environmental protection paper rope, environmental protection paper rope manufacturers tell you:

Nylon ribbon: melting and burning near flame, dripping and foaming, not directly burning, like celery taste hard, round, light, brown to gray, bead

Polyester ribbon: near flame is melting shrinkage and burning, dripping and foaming can continue to burn, a small number of very weak sweet smoke hard round, black or light brown

1、 Nylon and polyester

Polyamide fiber is the scientific name of polyamide fiber. Near the flame, the ribbon is quickly rolled and melted into a white gel by the manufacturer. In the flame, it is melted, dripping and bubbling. There is no flame when it burns. It is difficult to continue to burn when it leaves the flame, giving off the smell of celery. After cooling, the light brown melt is not easy to grind.

The scientific name of polyester fiber is polyester fiber. It is easy to ignite and melts close to the flame. When burning, it melts and emits black smoke. It is a yellow flame and emits aromatic smell. After burning, the ash is a dark brown hard block, which can be broken by fingers.

2、 Cotton fiber and hemp fiber

Cotton fiber and hemp fiber are burning just near the flame, burning rapidly, flame polyester ribbon yellow, blue smoke. The difference between the two kinds of smell and ash after burning is that the smell of paper comes from the burning of cotton, and the smell of plant ash comes from the burning of hemp; After burning, cotton has little powder ash, which is black or gray, while hemp has a little gray powder ash.


3、 Acrylic and polypropylene (PP)

PAN fiber is a kind of PAN fiber. It softens and melts near fire. Black smoke is emitted after fire. The flame is white. It burns rapidly after leaving the flame. It emits the smell of spicy acid of burning meat. After burning, the ash is irregular black hard block, and the hand twists easily.

Polypropylene fiber is a kind of polypropylene fiber. It is melted and deflated near the flame. It is flammable. It is slow to burn away from the fire and smoke. The upper end of the flame is yellow and the lower end is blue. It emits oil flavor. After burning, the ash is hard round and light yellow brown particles, and the hand twists easily.

4、 Vinylon and chloroplast

Vinylon is named polyvinyl alcohol formaldehyde fiber, which is not easy to ignite, and it is melted and contracted near the flame. When burning, there is a little flame at the top. When the fibers are melted into rubber flame, they become larger, with thick black smoke and bitter smell. After combustion, the black beads are left, which can be crushed by fingers.

It is hard to burn, and it will be extinguished when it is away from the fire. The flame is yellow, and the lower end is green and white. It emits a pungent and spicy acid smell. After burning, the ash is black brown and irregular hard block, and the fingers are not easy to twist.

5、 Spandex and fluorofiber

Polyurethane fiber is named polyurethane fiber. It is fused near fire and then burned in blue. It will continue to melt away from the fire, and emit special irritating odor. After combustion, the ash is soft and fluffy black ash. Fluorofiber is a kind of polytetrafluoroethylene fiber. ISO organization calls it fluorite fiber. Near flame only melts, which is difficult to ignite and does not burn. The edge flame is blue green carbonized, and it is melted and decomposed. The gas is toxic. The molten substance is hard round black bead. Fluorofiber is commonly used in the textile industry to manufacture high-performance sewing thread.

It is easy to identify fibers by combustion method, but it is not easy to judge the blended products. One yarn is selected from the longitude and latitude direction (i.e. the straight and transverse directions) respectively.

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Address: No.eleven, Wenzhu Road, Wentang Industrial Zone, Dongcheng District, Dongguan City

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