If you want to heat press polyester then it is best to stick to a slightly lower temperature than you would use on more heat resistant fabrics such as cotton.
Heat press vinyl for polyester.
Cut off a small swatch of polyester heat press your iron on to the polyester and run it through the washing machine a few times to see if it adheres.
However keep in mind that a cover sheet can also reduce the temperature reaching the transfer application by another 10 degrees.
Some polyester is super sensitive to heat.
Pull the teflon sheet off your vinyl and then carefully remove the carrier sheet.
Make sure you re using light pressure do not put your whole body weight down on the press this can cause your fabric to burn.
View item siser easyweed sheet 12 x 15 3 50.
Heat transfer vinyl for cotton polyester.
Heat press temp for polyester when pressing fabrics made of polyester it s highly recommended that you stick to low temperatures.
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In general terms somewhere between 270 and 300 degrees is likely to be ideal.
You can even test before you decide which vinyl to use just apply a heat press or iron at different temperatures to your polyester and see if it discolors or not.
For proper application you will also want to use medium firm pressure 6 8.
In addition you won t want to keep the heat applies for too long.
Lay your heat press on the teflon sheet and press for 30 seconds.