The most convenient way to identify different plastic films is to determine what kind of plastic films they belong to by burning. In this paper, the combustion characteristics of several commonly used membranes are listed in order to facilitate the judgment of the industry.
Combustion characteristics of several commonly used membranes 1. Polyethylene: (1) flammability: easy to (2) self extinguishing: no (3) flame color: yellow tip, blue bottom (4) combustion condition: burning while melting and falling, black smoke (5) odor of paraffin burning (6) residual signs: Black, waxy and brittle
2. Polypropylene (1) flammability: easy to (2) self extinguishing: no (3) flame color: yellow tip, blue bottom (4) combustion condition: burning while melting and falling, a small amount of black smoke (5) odor: Petroleum odor (6) residual signs: black, waxy and brittle
3. Nylon (1) flammability: slow burning (2) self extinguishing: with (3) flame color: blue flame, yellow at the upper end (4) combustion condition: melting dripping (5) peculiar smell: burning smell of wool and nails (6) residual signs: yellowish brown and stiff
4. Polyester (1) flammability: easy to (2) self extinguishing: no (3) flame color: yellow flame, blue edge (4) combustion condition: shrinkage, dissolution, black smoke (5) odor: Pine flavor (6) residual signs: residual black powder
5. Cellophane (1) flammability: easy to (2) self extinguishing: no (3) flame color: red yellow (4) combustion condition: burning like paper (5) odor: smell like paper (6) residual signs: white gray powder
6. PVC (1) flammability: difficult (2) self extinguishing: with (3) flame color: yellow at the tip, green at the bottom (4) combustion condition: softening and white smoke (5) peculiar smell: irritating acid smell (6) residual signs: dark black
7. Polyvinyl alcohol (1) flammability: easy (2) self extinguishing: slow self extinguishing (3) flame color: yellow (4) combustion condition: softened like candle flame, emitting black smoke (5) odor: unpleasant sweet taste (6) residual signs: light brown, brittle
Dongguan Beite packaging materials Co., Ltd. - located in Dongguan City, the world's manufacturing city, is a subsidiary of Beite packaging (China) Co., Ltd., with a plant area of 6000 square meters. It is a flexible packaging enterprise integrating R & D, production and sales. It has a complete set of domestic advanced production equipment, a scientific and humanized management system and a group of experienced technical personnel For backing, to provide customers with quality products and first-class service.
The company produces composite bags, roll film, fruit bags, aluminum foil bags, suction mouth bags, self-supporting bags, zipper bags, anti-static bags, special-shaped bags, etc., which are suitable for the internal and external packaging of food, daily chemicals, electronics, toys, medicine, cosmetics, industrial products and other industries.
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