Saturday, October 21, 2006

Burn Tests for Yarn

BURN TEST FOR YARN


Wool Burns steadily, slight sizzle, clouds of blue-grey smoke on
removal from flame, leaves ash and crisp black bead.
Odour of burnt hair

Cotton Burns steadily, forms grey or black ash. Odour of burnt paper.

Silk Burns steadily, slight sizzle, crisp black inflated mass
left.
Odour of burnt hair.

Mohair Burns uickly with slight sizzling, clouds of blue-grey smoke on
removal from flame, leaves crisp black inflated mass.
Odour of
burnt hair.

Viscose Burns quickly, not self-extinguishing. Odour of burnt paper.

Nylon Shrinks from flame, melts forming rounded fawn-coloured bead,
drips and froths. Liquid ignites and burns with hissing.
Odour of celery

Terylene Shrinks from flame, softens and melts forming fawn-coloured
bead, drips.

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