Heat Press Polyester Rayon
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 polyester rayon. Apparel decorators trust STAHLS the inventor and manufacturer of CAD-CUT Heat Transfer Vinyl for all their decoration needs. If it is 100 polyester you can take Elasti Prints down to 275F. 20 x 50 Yard Siser EasySubli Heat Transfer Vinyl sublimate onto colored polyester cotton rayon and many more is now available.
Depending on the fabric the rayon content increases its heat sensitivity. Cotton makes up about 50 of the fabric with a mixture of polyester and rayon in the rest of the blend. The ideal heat temperature is 280 degrees and below.
Of course just as with other things one rule can be applied when it comes to heat press lines on fabrics. However keep in mind that a cover sheet can also reduce the temperature reaching the transfer application by another 10 degrees. Tri-blends are very popular which often have a composition of 50 polyester 25 cotton and 25 Rayon but the composition could vary of course.
A Heat press machine is designed to apply a graphic substrate such as vinyl using heat and pressure. While you can safely apply heat transfer vinyl to polyester and cotton safely other materials may. The ideal temperature for the fabric is.
Bring your heat press temp down to 280 on a home iron use the polyester or rayon setting and increase your pressing time 5-10 seconds. Set your heat press between 315 and 350 degrees Fahrenheit. Press on the wrong side of the fabric while it is still damp.
Surface Press Time Temp Pressure TipsComments Polyester Fabric 35-40 seconds 400 F 40 psi medium Pre-press shirt for 3-5 seconds to eliminate moisture. Fabrics that contain polyester rayon or viscose are heat sensitive and require a transfer that applies at a lower heat application to reduce scorching or burn marks on the item. Youll need a heat resistant surface to press on.