Technical Reference

Brady Thermal Transfer Ribbon Compatibility Chart

The definitive pairing guide for matching Brady thermal transfer ribbons (Series R4300, R6000, R6600, R6200) to B-number label substrates for UL compliance and solvent survivability.

Standard Wax vs Hybrid Wax-Resin vs Pure Resin R6000 Thermal Transfer Ribbons

Figure 1: Thermal transfer formulations — Wax (general), Wax/Resin Hybrid (vinyl/cloth), and Pure Resin R6000 (harsh solvent/PCB).UL 969 Tested Pairing

Primary Thermal Transfer Ribbon Formulations

Brady Series R4300 (Wax / Resin Hybrid)General Purpose Industrial

The workhorse wax/resin ribbon engineered for excellent legibility and moderate chemical resistance on vinyls, polyesters, and nylon cloth.

Primary Materials: B-427, B-499A, B-423, B-483A, B-595.

Brady Series R6000 / R6000 Halogen Free (High-Performance Resin)Harsh Chemical & High Heat

Full resin formulation offering maximum solvent survivability (IPA, brake fluid, ethanol) and thermal stability up to 300°C.

Primary Materials: B-423, B-652, B-724, B-428, B-492.

Brady Series R6600 (Specialty Polyolefin Resin)Heat Shrink PermaSleeve

Specifically formulated for polyolefin heat-shrink tubing to survive heat recovery without cracking or smearing per SAE AS81531.

Primary Materials: B-342, B-7642, B-312.