Dye sublimation, or DS, must be applied to polyester-based goods. The process will work on blends, but remember that if the garment is a 50/50 blend, then 50% of the ink will not saturate 50% of that garment. ... Also, some polyester garments are not made specifically for sublimation.

What is the lowest percentage of polyester for sublimation?

The general rule of thumb with a blend is that at least 50% of it must be polyester and the remaining fibers must be able to withstand about 400˚F on the heat press.

How much polyester do you need for a sublimation shirt?

Shirts for sublimation need to be at the very least, 50% polyester. The higher percentage of polyester the better as the ink will only transfer to the poly fibers.