I have a 2 color design (not layered) using thermoflex plus Stah'ls fashion film. they have different temps and dwell times. My thought is that I will run the first press and change temp then cover the design for the second press. Is that doable?
That is doable. I'm not sure if it's necessary. How big is the difference. We press tons of different things at work and it all gets pressed at 350 degrees. The only thing that changes is the time and pressure.
If I remember correctly the recommended method is to tack the first color down with a 2 second press, hot peel the carrier, repeat as necessary, then apply the final color and press for the full duration. This is said to prevent shrinkage of the lower layers that might impact on the positioning of the final layer. Also this prevents exposing the first layer to multiple full application temps and times. If you are using the Stahl's vinyl I would contact them at their support number and ask for clarification. It seems to me that in the videos they indicated that most of the various cad cut films could be overlaid.
I believe I received an email that the web site would be down today for an upgrade but perhaps you can look and call them tomorrow.
Believe Stahls usually recommends:
Tack apply the lower temp material (press for 2-4 seconds, peel clear tape), put higher temp/time material on then press for the duration on the higher temp material with a sheet overtop of the lower.
You can forego this if your design is spaced far enough and trimmed enough that you can fit both materials on and just press for the duration of the higher temp/time material.
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