The two most popular T-shirt fabrics in the decorated apparel industry are 100% cotton and 50% cotton/50% polyester. As a commercial screen printer, you should know how to print on both. Although our shop specializes in water-based printing on 100% cotton, we get plenty of clients who request 50/50 blends, which means printing with plastisol inks because water-based inks only work on cotton.
Blended fabrics offer some advantages over pure cotton. In general, they have a lighter feel, which appeals to customers in certain climates. The polyester content reduces fibrillation, which can cause a print to look faded because of the little cotton fibers that stick up through the ink. This means you also get better ink coverage with 50/50 shirts. See the entire article at the link below.
By Dan Corcoran