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    How can you tell if fabric is 100% cotton?

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    Old 04-28-2011, 05:20 PM
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    I was just given a large storage container of miscellaneous fabrics:
    flannel, shirtings, Christmas prints, etc.

    How can I determine which are 100% cotton or not?
    Marilyn
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    Old 04-28-2011, 05:38 PM
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    A gal at the quilt shop told me to cut a small piece off, light it with a match. If it is a soft ash, it is cotton. I haven't done it, but she claims if it is not 100% cotton the ash is harder/dense. Maybe someone else can answer it better
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    Old 04-28-2011, 05:42 PM
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    My 1st though is, if you can tell, does it really matter?
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    Old 04-28-2011, 05:44 PM
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    Originally Posted by stewyscrewy
    yes the ash test is the fastest. if it has any sort of poly or rayon it will melt and leave a blackish glob, how ever large or small you test piece is. Please dont touch it till proper time has elapsed for cooling.
    This is correct :XD:
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    Old 04-28-2011, 05:47 PM
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    Poly melts, cotton burns.. Use tweezers over the sink.. burn then extinguish with water..
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    Old 04-29-2011, 03:25 AM
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    What luvTooQuilt said.
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    Old 04-29-2011, 03:26 AM
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    Ditto.
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    Old 05-06-2011, 08:48 AM
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    I've never heard about the burning before.
    Thanks! I will have to try it!
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    Thank you Jamie!

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