Tatoo SBB Optima is the 3rd generation SBB film by SEF. Highly technical film designed to prevent migration when heat transferring to dyed polyester fabrics (sports jerseys type). Migration / re-sublimation Heat transferring films on polyester or polyamide fabrics can result in “migration”. The heat of the press can re-activate the inks and start migration (change the color) on the heat-transferred graphic. This migration, or re-sublimation, phenomenon can take 48 to 72 hours to happen, sometimes even 2 to 3 weeks. 1 If you transfer on fabrics other than polyester or polyamide there is no actual migration risk, you can therefore use any of our standard heat transfer films. 2 If you transfer on sublimated polyester fabrics (the back of the fabrics is white or lighter shade of color) a low temperature film can prevent migration. But test don’t guess and use Tatoo SBB Maxima if you have any doubts! 3 If you transfer on dispersed dyed polyester fabrics (same color back and front of the fabric) the use of SEF Tatoo SBB Maximaa films is mandatory. 4 “Soft shell” garments made out of dispersed dyed micro fibers are the worst “migration” case scenario, we recommend to carefully test Tatoo SBB Maxima films every time.
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