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Fiber Determination - Determination of Combustion Fiber

发布时间:2016-01-15 10:42:56  点击次数:0

cotton:
When it comes into contact with the flame, it burns. After leaving the flame, it continues to burn, producing a yellow flame and blue smoke. The charred part is dark brown.
There is a smell of burning paper
Less ash, softer ash, light gray
hemp:
When it comes into contact with the flame, it burns. After leaving the flame, it continues to burn, producing a yellow flame and blue smoke. The charred part is dark brown.
There is a smell of burning paper
Less ash, softer ash, light gray
wool:
After igniting, one side slowly smokes and bubbles, burns, leaves the flame to continue burning, and sometimes extinguishes itself.
Have the smell of burning hair and claws
Gray is shiny black and brittle
Polyester:
When burning, the fiber shrinks, one side melts, one smokes and burns, and there is a yellow flame.
Have aroma
It is dark brown glass sphere and can be crushed by hand.
Nylon:
One side melts, one side burns slowly, it is smokeless or slightly white smoke when burning, the flame is small, blue
Celery fragrance
Gray is light brown glass globule, not easy to mash
Acrylic
One side melts, one side burns slowly, the flame is white, bright and powerful, sometimes slightly black smoke
Have a fishy smell
Gray is black spherical, brittle and brittle
Weilun
When burning, the fiber shrinks rapidly, burns slowly, the flame is small, and there is black smoke.
Have a special smell
Gray, brown, unshaped hard block, handcuffs
Polypropylene
One side curls, one side melts and burns, the flame is bright, blue
Slight bitumen
The broken ash is a hard, brownish piece that can be mashed
Spandex
When it is close to the flame, it melts and burns, leaving itself from fire.
Special smell
Grayish white gel
silk
Slow burning, shrinking into a group when burning
Have the smell of burning hair and claws
Gray is a dark brown ball, crushed with your fingers
Viscose fiber
Burning near the fire, burning quickly, producing a yellow flame
There is a smell of burning paper
Less gray, light gray or grayish white
Acetate fiber
The flame is melted and shrunk in the near flame, burning in contact with the flame, burning slowly
Pungent acetic acid
a loose and brittle black ash, not burnt into a hard block
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