Identifying fibres – burning test You can do a fibre burning test. Unravel several wrap and weft yarns. Using tweezers hold the yarn to the edge of a flame. Observe, the changes.
a) If it smells like burning hair, what is the yam is wool or silk?
b) If it smells like burning paper, what is the yam?
c) If the yam melts in the flame, what is the yam?