You might have heard before about a plastic backing that some patches these days have; this could have been in a blog post that you read or it might have been in the description of a specific patch. A lot of places will tell you that the plastic backing contains heat activated glue which will allow the patch to be attached to an item with the help of a hot iron. However this is not exactly true.
These misconceptions need to be cleared up and I will try to do that here. Not every patch with a plastic backing has heat activated glue so that is why it is necessary to do this.
According to patchology.org, a website devoted to defining all things patches, plastic backing is not the same thing as heat sealed backing. As you can gather from the name, plastic backing is a thin layer of plastic which when applied to the rear of a patch will ensure that it lasts longer and is more rigid.
In order for this plastic to be used as an adhesive it would have to be heated up to temperatures that could very well do harm to the patch itself. So if you wanted to adhere a plastic backed patch to your clothing or other items then you would have to use a needle and thread to sew it on instead.
It is actually heat sealed backing that people are talking about when they mention heat activated glue. This backing material may be applied directly to the patch or it may be applied over a layer of plastic. Regardless, heat sealed backing is more or less a glue substance which helps the patch adhere to most fabric surfaces. The good thing about it is the fact that it does not require really high temperatures to get it to work so that means there is little chance of damaging the patch.
With that cleared up, I'll address how heat sealed backing actually works in a future post. Make sure to come back again if you want to find out more.
These misconceptions need to be cleared up and I will try to do that here. Not every patch with a plastic backing has heat activated glue so that is why it is necessary to do this.
According to patchology.org, a website devoted to defining all things patches, plastic backing is not the same thing as heat sealed backing. As you can gather from the name, plastic backing is a thin layer of plastic which when applied to the rear of a patch will ensure that it lasts longer and is more rigid.
In order for this plastic to be used as an adhesive it would have to be heated up to temperatures that could very well do harm to the patch itself. So if you wanted to adhere a plastic backed patch to your clothing or other items then you would have to use a needle and thread to sew it on instead.
It is actually heat sealed backing that people are talking about when they mention heat activated glue. This backing material may be applied directly to the patch or it may be applied over a layer of plastic. Regardless, heat sealed backing is more or less a glue substance which helps the patch adhere to most fabric surfaces. The good thing about it is the fact that it does not require really high temperatures to get it to work so that means there is little chance of damaging the patch.
With that cleared up, I'll address how heat sealed backing actually works in a future post. Make sure to come back again if you want to find out more.
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