You are trying to apply your decal to your favorite water bottle and after rubbing it down on your cup for 5 minutes the vinyl will not come off the transfer tape and release onto the cup.
Heat transfer vinyl coming off.
These are the other possible causes as to why you will have a peeling problem.
Some types of heat transfer vinyl are cold peel which means you must allow the vinyl to cool completely before removing the clear plastic sheet.
Maybe you thought that it adhered properly but after a few washes you noticed the heat transfer vinyl peeling off.
It is likely that your heat transfer vinyl is peeling off due to the temperature of your heat press.
So all you need to do is increase the temperature 5 f to 10 f.
Your vinyl isn t coming off of the transfer tape.
After removing the plastic carrier sheet i like to flip my project upside down or inside out and apply some more heat to the backside to ensure a really good application.
For heat transfer vinyl to work correctly it must be melted into the fabric.