Using Black Plastic Sheeting Heat Transfer
Plastic q water the heat removed from the plastic is equal to the heat given off as the plastic temperature drops from 180 c to 40 c plus the heat of solidification which is equal to the heat of fusion but opposite in sign.
Using black plastic sheeting heat transfer. 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. First you can just lay it over the htv and substrate. 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. Attaching the teflon sheet to the heat press like this is especially useful if you re going to be pressing a lot of t shirts.
The second method is to attach the teflon sheet to the top plate itself by for example using magnets. As the plastic solidifies and the molecules stop moving randomly heat is liberated.