The Brady's thermal transfer printer 1 row label roll. These items come in a variety of shapes and sizes to accommodate many situations. One of the important components to selecting the right product is the proper label and adhesive material. This thermal transfer printer label roll uses polyester for the label material and ultra-aggressive rubber-based as the adhesive. BradyBondz printable, ultra aggressive metallized polyester 1 row labels for thermal transfer printers. B-486 is designed for high adhesion to textured metals, powder coated surfaces and low surface energy plastics.