Dye-Migration has become even more of a nuisance now that performance fabrics have become more popular. Our latest material – Spectra Perform has a Sub Block that will perform even better than the options available when I first published this post. The Spectra Perform Sub Block features a charcoal adhesive that aids the dye blocking and four-way stretch capability. It is also a lighter weight material with a silky smooth hand.
Dye-Migration is dye from a sublimated fabric bleeding through and dyeing a heat transferred design. Since Polyester is the only fabric that is gets its color from the sublimation process, it’s the only fabric that you’ll see migrate. Dye-Migration should not be confused with opacity. In the world of garment decoration, opacity refers to a heat transfer blocking out the color of the dark garment where as migration is the dye of the fabric coming through and becoming a part of the transfer.
So how do you solve Dye-Migration? Simply by using the right product. Standard heat transfers may not block migration. If you run in to an angry polyester that doesn’t like being transferred on to, you can use the Solutions Sub-Block for a full color printable fabric or Spectra Sub-Stop for single color vinyl cut transfer. Both products are available from Imprintables Warehouse and from me by requesting…
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Heat Press Ed. 101 