Please can someone explain this weird melting thread to a newbie?

[LowLevelBahHumbug]

I've tentatively started my first little patchwork project and used a thread that came in a gift thing my mum made up for me. However, when I ironed the stitched patches the thread melted.

Why did it melt, and what's the point in thread you can't iron?

It is made by Moon if that's significant. Shall I bin it?

How odd I can only suggest it is because it is a polyester thread, was the iron very hot? But how disappointing for you - can you rescue your patchwork?

I wouldn't use it again, a cotton thread might be better.

luckily I noticed it immediately and it's only on the back so I was more careful after that!

Some nylon/polyester threads so melt unfortunately. We had a blind made and all the stitching on that has seemingly dissolved or at least dried out and gone brittle and snapped so it does happen and at relatively low temperatures. Some cheaper children#s clothes also use polyester and I have been known to melt that and make the DSs clothes all scratchy.

As Kurrikurri said you would be better off using cotton thread which is traditionally what is used for patchwork. You need a hot iron to iron the cotton fabric so it would be safer. Save the other stuff for buttons and places that don't need to be ironed. It is probably stronger than cotton in normal conditions, just not when heated.

ah, thanks Niecie, will do. My new sewing machine has just arrived and I can't wait to get stuck into my jelly roll!