Metallized Polyester (B-428) labels are designed for applications that use barcodes, alphanumerics, graphic symbols and logos and require nameplate-like quality. - Matte, light gray finish gives labels a rating and serial plate appearance - Labels are designed to withstand numerous solvents and variable temperatures when applied to various surfaces - UL approved; CSA accepted - Service temperature of -40 to 248° F (-40 to 120° C)