If you apply regular htv to a sublimated garment you may experience dye migration.
White heat transfer vinyl dye migration.
This dye migration is common in polyester fabrics and fabrics that have been heavily saturated with dye.
Easyweed sub block is specially formulated to block most dye migration and leave you with a crisp finished product.
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.
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.
Use a low temperature application transfer.
As mentioned above the heat during heat printing activates the dyes in the apparel which start the dye migration process.
Here at siser we took this into consideration when we formulated one of the newest members of our easyweed family easyweed sub block.
However this impact is only noticeable when heat applying light colored heat transfer vinyl on darker polyesters.
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.
A major contributing factor for the migration issue is high temperature and high pressure.
New to heat transfer vinyl or not sure what brand is for you.
5 sheets in total.
Standard heat transfer vinyl isn t designed for use on sublimated polyester.