Made to endure and outlast extreme heat and acidic chemicals this 4in wide white continuous label roll is UL 969 (ANSI 969) approved. Features permanent pressure-sensitive adhesive and resistance to mild acids, alkalis and salt solutions. 2mm thick, 5in outer diameter, 1in core, 150ft per roll. For use with TD-4750TNWBCS and BMSLPR03UC Black UL Premium Resin Ribbon.