The Brady Markers are made from heat shrinkable tubing that is qualified to SAE AS23053/5 Class 4. This markers meet the mark permanence requirements of AS 81531 when printed with the Brady Series R6600, R4300, R4502S, R6700 series thermal transfer ribbons, R5000 Series dot matrix ribbon and with laser marking. It can also be printed using laser marking method. Laser marking has very good environmental and abrasion resistance.

Smear resistant
Chemical resistant
Humidity resistant
UV resistant and weather resistant

Brady's PermaSleeve™ heat shrinkable sleeves fit snugly around wires for maximum insulation protection and permanent identification. The full-circle insulating sleeves meet the rigid insulating material requirements and physical properties of MIL-DTL-23053/5 Class 1, MIL-M-81531, MIL-STD-202F, METHOD 215, and UL224 when printed with R5000 dot matrix and R4300 and R4502S (for black sleeves only) thermal transfer ribbons. These fade resistant, smudge-proof sleeves can be used with Brady's Sleeve & Datab™ Printers, as well as Thermal Transfer printers.