Overview
Brady M21-750-427 is a self-laminating vinyl label cartridge engineered for the BMP21 and BMP21-PLUS portable label printers. Brady’s self-laminating vinyl material is excellent for wire and cable identification, with a clear protective layer to cover the printed text that provides superb protection from abrasion, dirt, oils, solvents, water and excess handling. The cartridge delivers black ribbon on white/translucent tape in a continuous 14-foot roll format.
Key Features
- Abrasion resistant, outdoor durable, alcohol resistant, fuel and oil resistant, self-extinguishing
- Adheres well to surfaces that are smooth, rough or powder coated, and to irregular surfaces or surfaces with low surface energy
- Self-laminating design with good clarity and conformability
- Chemical, humidity, oil, smear, water and weather-resistant properties
- Compatible with standard BMP21 series printers for thermal transfer printing
- UL Recognized to UL 2238, RoHS compliant to 2011/65/EU
Technical Specifications
- Material: Brady B-427 Vinyl
- Dimensions: 0.75 IN width, 14 FT length, 0.004 IN thickness
- Printable Area: 0.375 inches (9.53mm)
- Wire Gauge: Typically fits wires from 16 to 10 gauge
- Color: Black on Translucent/White
- Operating Temperature: -40 to 158 DEG F
- Finish: Matte
- Adhesive Type: Permanent Acrylic
- Print Method: Thermal Transfer
- Certifications: ASTM D 1000, ASTM D 2979, ASTM G 155, UL Recognized
Typical Applications
Applications include communications cables, panel identification, voice/data identification, and wire & cable marking. Ideal for cable & wire marking, panel labeling, and voice & data identification. These durable labels are commonly used in telecommunications, data centers, industrial control systems, and electrical panel labeling where identification longevity is critical.
Compatibility & Replacements
Compatible With
- BMP21 series (BMP21, BMP21-PLUS and BMP21-LAB) printers
- Brady BMP21 Portable Label Printer
- Brady BMP21-PLUS Portable Label Printer
- Thermal transfer label printing systems using M21-style cartridges
Replaces / Drop-In Replacement For
The M21-750-427 is a standard Brady OEM cartridge and is the direct replacement for any system requiring Brady B-427 self-laminating vinyl in 3/4″ width format. Verify your current cartridge specifications before ordering for direct substitution.
Works With
- Brady Label Enterprise Software
- Brady IDPAL and LABPAL handheld label makers (software compatible)
- BMP21 series software and drivers
- Standard thermal transfer printing protocols and systems














