sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Product Overview
The Brady® M21-18-427 is a pre-sized, die-cut self-laminating vinyl label cartridge specifically designed for reliable wire and cable identification. Featuring a black-on-white printable area with a clear, wraparound tail, these B-427 vinyl labels form a protective barrier over the printed text, safeguarding against abrasion, dirt, and chemical exposure. They are engineered for durable, long-term indoor and outdoor performance across electrical, data/telecommunications, and laboratory environments.
Technical Specifications
- Model / Ordering Code: M21-18-427
- Label Material: B-427 Self-Laminating Vinyl (Matte Finish)
- Adhesive Type: Permanent Acrylic
- Label Dimensions: 0.75" H x 1.0" W
- Printable Area: 0.375" H x 1.0" W
- Wire Diameter Range: 0.06" to 0.199"
- Supported Wire Gauge: 22 to 16 AWG
- Color Format: Black Text on White Label (with clear tail)
- Cartridge Yield: 121 Labels per cartridge
- Ribbon Series: R4300 and R4500
Environmental & Durability Ratings
- Service Temperature Range: -94°F to 158°F
- Resistance Properties: Abrasion, solvents, oil, grease, weather, and extreme temperatures
- Flammability: Self-extinguishing
- Usage Applications: Rated for both indoor and outdoor utility
Printer Compatibility
- Brady M210 Portable Label Printer
- Brady M210-LAB Portable Label Printer
- Brady M211 Portable Bluetooth Label Printer
Frequently Asked Questions
What wire size is the Brady M21-18-427 label designed for?
This label is optimized for wires with an outer diameter range of 0.06" to 0.199", which generally corresponds to 22 to 16 AWG standard wire gauges.
Which label printers support this cartridge?
The M21-18-427 die-cut cartridge is fully compatible with the Brady M210, M210-LAB, and M211 series portable label printers.
How does the self-laminating feature work?
The label includes a white printable zone (0.375" x 1.0") and an extended clear vinyl tail. Once applied to the cable, the clear tail wraps completely around the wire and covers the printed text, sealing it securely against environmental damage and physical wear.

