Northeast Fiber Arts Center

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This test can be helpful to know if you have some yarn and aren't sure what type of fiber it is made out of and want to know. Blends can be a little trickier to figure out, since they will have aspects of each fiber, but you'll at least get a sense of the primary material.

The burn test also demonstrates quite well why the armed forces discourage/will not accept acrylic helmet liners or socks....acrylics melt into a molten goo when they catch on fire and only add to burn injury.