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The Brady M21-7-423 (B-423 material) is a pre-sized, harsh-environment polyester label cartridge engineered for reliable identification on smooth surfaces. Measuring 0.5" H x 0.75" W with rounded corners, these die-cut labels yield clear, black text on a white background. Each drop-in cartridge provides 140 labels and is directly compatible with Brady M210, M210-LAB, and M211 portable label printers.
Constructed with a permanent acrylic adhesive and a gloss finish, B-423 polyester labels are highly resistant to abrasion, solvents, oil, grease, corrosion, humidity, and UV exposure. They are UL recognized for outdoor use—including solar panel ID applications on glass, thermoset polyester, and polyvinyl fluoride plastic surfaces—and maintain adhesion in extreme service temperatures ranging from -94°F to 230°F.
Key Specifications
- Model: M21-7-423
- Label Dimensions: 0.5" H x 0.75" W
- Color: Black text on White label
- Material: B-423 Polyester
- Adhesive: Permanent Acrylic
- Finish: Gloss
- Labels per Cartridge: 140
- Service Temperature Range: -94°F to 230°F
- Printer Compatibility: Brady M210, M210-LAB, M211
- Recommended Ribbon Series: R6000HF
- Compliance: UL Recognized, CSA Accepted, Halogen-Free
Frequently Asked Questions
What printers are compatible with the Brady M21-7-423 cartridge?
This die-cut label cartridge is designed specifically for use with Brady M210, M210-LAB, and M211 portable label printers.
Are these polyester labels suitable for outdoor environments?
Yes, the B-423 polyester material with permanent acrylic adhesive is UL recognized for outdoor applications, offering excellent resistance to UV, humidity, abrasion, and extreme temperatures.
How many labels are included in each cartridge?
Each M21-7-423 cartridge contains 140 pre-sized, die-cut labels.