Thread: Pros/Cons of using Polyester thread to quilt?
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Old 06-21-2013, 08:53 AM
  #37  
Onebyone
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Polyester is heat resistant (dryer and iron safe), with a melting temperature of 510 degrees F (in comparison, nylon melts at 350 degrees F). Polyester is colorfast, resistant to chemicals, and can be washed or dry-cleaned with most common cleaning solvents.
There are three types of Poly thread: Spun, Filament, and Trilobal. Trilobal is the new poly:

Trilobal polyester thread.
Recent advances in fiber technology have resulted in a new type of polyester. In the past, due to it's dull appearance, polyester lost out to other fibers, especially rayon. However, with the development of trilobal polyester, rayon thread may become a thread of the past.
http://www.secretsof.com/content/3738
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