Successful application of heat transfer materials depends on three primary variables: time, temperature and pressure. Not all heat transfers heat press at the same setting. Hotter is not always better. In fact, higher temperatures can make matters worse. Before heat pressing, refer to the manufacturer’s literature for the recommended time and temperature settings. Pressure is...
http://supply55.com/blog/2013/10/applying-heat-transfer-films-for-garment-decoration/
