The THT-18-423-3 is a white polyester thermal transfer label from the B-423 material series, designed for component identification, barcoding, and asset tracking. This label features a gloss finish and measures 3.000 inches wide by 1.000 inch high, with a vertical repeat of 1.125 inches. Supplied in packages of 3,000, these labels are arranged one per row on a 3.200-inch wide web. It is UL rated for surfaces common in solar panel manufacturing and is recommended for use with the R6002 thermal transfer ribbon.