Filter cloth material identification mainly for natural fibers and synthetic fibers. The most common method of identification is the combustion method, take a small amount of fabric fibers with a small fire point, smell the smell, and then to identify.
The following is a list of various fiber burning states
Name of the flame when burning flame state odor ashes color and shape
Cotton, linen contact flame that burns, leave the flame and continue to burn, resulting in yellow flame and blue smoke, charred part of the dark brown. There is burning the smell of ashes ashes, gray at the end of soft, was light gray
Wool after the fire, while slowly smoke blistering, burning, leaving the flame to continue to burn, and sometimes extinguish their own burning hair, claw smelly ashes of shiny, black crisp lumps or spherical
Silk burning slow, burning shrink into a group with the ashes on the dark brown ball, with a finger pressure that is broken
Viscose fiber near the fire that burn, burning quickly, resulting in yellow flame burning paper taste less gray, light gray or gray
Acetate near the flame that is melting and contraction, contact with the flame that is burning, burning slowly pungent acetic acid taste loose and crisp black ashes, not burned part of the hard lump
Polyester burning fiber shrinkage, one side of the melting, one side of the smoke burning, yellow flame with aromatic smell gray as dark brown glass spherical, hand can be broken
Nylon side of the melting, while burning slowly, burning smoke or slightly white smoke, the flame is very small, was blue with celery fragrance gray light brown glass ball, easy to twist
Acrylic side of the melting, while burning slowly, the flame was white, bright and powerful, sometimes slightly black smoke with fish stench gray gray ball, crisp and fragile
Chlorine is difficult to burn, close to the flame when the contraction of burning, from the fire that is extinguished with chlorine pungent odor gray black round, crisp and fragile
Vinyl burning fiber quickly shrink, slow burning, the flame is very small, there are black smoke with a special smell gray brown and indefinite hard, hand can be broken
Polypropylene side curled, one side of the melting burning, bright flame, blue was a slight asphalt flavor ash as hard and brown small pieces, can twist
Spandex close to the flame when the melt, melt burning, from the fire from the off there is a strange smell of white gelatinous
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