sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Product Overview
The Brady M21-250-C-342 PermaSleeve® Heat Shrink Labels provide a highly reliable, single-step solution for wire insulation and identification. Constructed from Brady's B-342 irradiated polyolefin, these thermal transfer labels deliver long-lasting durability in demanding environments. Engineered with a 3:1 shrink ratio, the tubing securely fits around cables when applied with an industrial heat gun, ensuring the markers remain fade-resistant, flame-retardant, and self-extinguishing.
Key Features & Specifications
- Manufacturer Model: M21-250-C-342
- Label Dimensions: 7-foot roll length x 0.25-inch diameter
- Wire Gauge Compatibility: 16 to 8 AWG
- Color Configuration: Black printing on White sleeve
- Material: B-342 Irradiated Polyolefin
- Shrink Ratio: 3:1
- Environmental Properties: Fade-resistant, flame-retardant, and self-extinguishing
- Application: Shrinks using standard industrial-grade heat guns
Printer Compatibility
This drop-in cartridge is specifically designed for use with the following portable label printers:
- Brady BMP21 Series
- Brady ID PAL
- Brady LabPal
Frequently Asked Questions
What wire gauge size is the Brady M21-250-C-342 label designed for?
These 0.25-inch diameter PermaSleeve markers are optimized for identifying 16 to 8 AWG wires.
Which label printers are compatible with the M21-250-C-342 cartridge?
This heat shrink marker cartridge works seamlessly with Brady BMP21 series, ID PAL, and LabPal portable label printers.


