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-   -   dumb question about thread (https://www.quiltingboard.com/main-f1/dumb-question-about-thread-t275129.html)

scrappy happy 01-30-2016 04:50 PM

Im wondering will the ploy melt when you iron your blocks?
I must have grab some ploy when making a quilt and when I ironed my blocks the thread melted.

mojo11 01-30-2016 06:42 PM


Originally Posted by auntnana (Post 7449701)
Wow this is interesting. I've always been told and read that if you're using cotton fabric you should always use cotton thread and bobbin. Reason being if you use poly thread it will outlast the cotton and would wear the fabric at the seams.

I'm of the same mind set.

Painiacs 01-30-2016 09:08 PM

I never thought about poly thread so definitely not dumb question. Will have to try it.

Bree123 01-30-2016 09:34 PM


Originally Posted by scrappy happy (Post 7451118)
Im wondering will the ploy melt when you iron your blocks?
I must have grab some ploy when making a quilt and when I ironed my blocks the thread melted.

Your iron would have to be quite hot, but yes, poly thread can melt, just as poly fabric can melt. (And cotton fibers if they get too hot will scorch)

Jcarpentier 01-31-2016 06:10 AM

Thank you so much for posting this question! I have always thought no question is a dumb question.

Farm Quilter 01-31-2016 09:25 PM

I longarm quilt as a business and I use Superior Threads 100% cotton, 100% poly, and metallic threads on top and I always use Superior Threads Bottom Line in my bobbin - it is poly and never a problem.

Farm Quilter 01-31-2016 09:29 PM


Originally Posted by auntnana (Post 7449701)
Wow this is interesting. I've always been told and read that if you're using cotton fabric you should always use cotton thread and bobbin. Reason being if you use poly thread it will outlast the cotton and would wear the fabric at the seams.

Check out the information here from Superior Threads - http://www.superiorthreads.com/educa...ar-the-fabric/

If you will look, your cotton underwear is sewn with poly threads...how often does the thread cut the fabric? Heck, I think most of our store-bought clothing, regardless of material types, are sewn with poly threads since poly can take the higher speeds of the sewing machines used to make the clothing.

ntransue 02-01-2016 06:40 PM

I use prewound and haven't had a problem

Onebyone 02-02-2016 04:34 AM

The poly thread cutting the cotton fabric has been dismissed many times by thread experts. This is on Superior's website: The traditions, myths, and rumors that polyester thread will tear the quilt are not true. There are many different kinds of poly to choose from.
1 Spun polyester thread
2
Multi-filament polyester thread
3 Trilobal polyester thread
4
Texturized polyester thread
5
Poly-Wrapped Poly-Core thread

Facts about poly thread:
http://www.superiorthreads.com/education/will-polyester-tear-the-fabric/


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