What is a Barrier Base? (And Why UPLC Grey Matters for Hoodie Printing)
What is a Barrier Base? (And Why UPLC Grey Matters for Hoodie Printing) If you’ve ever had a clean white print turn pink after curing—or worse, after packing—you’ve experienced dye migration. This isn’t an ink failure.It’s a fabric chemistry problem. Polyester and blended garments contain dyes that become mobile when exposed to heat. During curing, […]