A major contributing factor for the migration issue is high temperature and high pressure.
White heat transfer vinyl dye migration.
Standard heat transfer vinyl isn t designed for use on sublimated polyester.
The good news is that this generally tends to happen above 300 f around 300 f to 320 f.
Dye migration is extremely prevalent in sublimated fabrics pictured right.
Here at siser we took this into consideration when we formulated one of the newest members of our easyweed family easyweed sub block.
5 sheets in total.
Refer to product pages below for specific application instructions.
With easyweed sub block the temperature on your press is set at a low 265 f 130 c and a medium setting for your pressure.
However this impact is only noticeable when heat applying light colored heat transfer vinyl on darker polyesters.
New to heat transfer vinyl or not sure what brand is for you.
Dye migration is when the sublimation inks in the garment bleed into the heat transfer vinyl and change the color of the htv.
As mentioned above the heat during heat printing activates the dyes in the apparel which start the dye migration process.
Use a low temperature application transfer.
The white heat transfer vinyl htv sample pack is a great way to try out heat transfer warehouse s most popular brands and products to see what you like.
Easyweed sub block is specially formulated to block most dye migration and leave you with a crisp finished product.