B33-55-423 is a thermal transfer printable glossy white polyester label stock designed for durable identification applications. It features a total thickness of 0.003 inch (0.0762 mm) excluding liner, with a 0.002 inch (0.0508 mm) substrate and 0.001 inch (0.0254 mm) permanent acrylic adhesive layer. The label offers excellent adhesion to stainless steel (57 oz/inch after 24-hour dwell), a dielectric strength of 8400 volts, and withstands high service temperatures up to 110°C for 30 days without visible effect. It is UL Recognized to UL969, CSA Accepted to C22.2 No.0.15-95, and meets DIN VDE 0472 Part 815 halogen-free requirements. Common applications include electronic PCB and component identification, bar code labels, rating plates, and solar panel identification.