Burn the plastic film, 7 kinds of film burning characteristics to distinguish

- Feb 04, 2021-

1. PE


(1) Flammability: easy

(2) Self-extinguishing: none

(3) Flame color: yellow at the tip and blue at the bottom

(4) Burning status: burning while melting and falling, black smoke

(5) Peculiar smell: the smell of paraffin wax burning

(6) Residual signs: black, waxy and slightly brittle;


2. PP


(1) Flammability: easy

(2) Self-extinguishing: none

(3) Flame color: yellow at the tip and blue at the bottom

(4) Burning status: burning while melting and falling, a small amount of black smoke

(5) Peculiar smell: oil smell

(6) Residual signs: black, waxy and slightly brittle;


3. PA/NY


(1) Flammability: slow burning

(2) Self-extinguishing: Yes

(3) Flame color: blue flame, yellow on the top

(4) Combustion status: melting and dripping

(5) Odor: burnt smell of wool and nails

(6) Residual signs: yellowish brown, stiff;


4. PET


(1) Flammability: easy

(2) Self-extinguishing: none

(3) Flame color: yellow flame, blue edge

(4) Burning status: shrinking, melting, black smoke

(5) Peculiar smell: loose fragrance

(6) Residual signs: residual black powder


5. Cellophane


(1) Flammability: easy

(2) Self-extinguishing: none

(3) Flame color: red and yellow

(4) Burning status: burning like paper

(5) Smell: smell like paper

(6) Residual signs: white gray powder


6. PVDC


(1) Flammability: difficult

(2) Self-extinguishing: Yes

(3) Flame color: yellow at the tip and green at the bottom

(4) Burning status: softened, white smoke

(5) Peculiar smell: pungent sour taste

(6) Residual signs: dark black;


7. PVA


(1) Flammability: easy

(2) Self-extinguishing: slow self-extinguishing

(3) Flame color: yellow

(4) Burning status: softened like candle flame, emitting black smoke

(5) Peculiar smell: unpleasant sweet smell

(6) Residual signs: light brown, brittle.