sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Product Overview
The Brady® M21-375-423 (B-423) Polyester Labels are high-performance, continuous cut-to-length labels designed for demanding identification tasks. Featuring a permanent acrylic adhesive and a glossy white finish, these thermal transfer labels provide excellent contrast with black text. They are highly suitable for equipment ID, barcoding, asset tracking, rating plates, solar panel identification, and general datacom patch panel or outlet/jack ID applications.
These halogen-free labels are engineered to endure harsh environments and are UL recognized for outdoor use on specific surfaces. The convenient 21-foot cartridge format allows for flexible, on-the-fly length adjustments to meet custom labeling requirements.
Key Features & Specifications
- Manufacturer Model: M21-375-423
- Material: B-423 Polyester with permanent acrylic adhesive
- Dimensions: 0.375 in. W x 21 ft. L (9.53 mm x 6.4 m)
- Color Configuration: Black text on White tape
- Finish: Glossy White
- Label Format: Continuous cut-to-length roll
- Environmental Ratings: Halogen-free; UL recognized for outdoor use on glass, thermoset polyester plastic, and polyvinyl fluoride plastic surfaces.
- Adhesion Limitations: Not recommended for low surface energy surfaces such as polyethylene and polypropylene.
Compatible Printers
- Brady BMP21 Series
- Brady ID PAL
- Brady LabPal
Frequently Asked Questions
Q: Which label printers are compatible with the Brady M21-375-423 cartridge?
A: This continuous label cartridge is exclusively compatible with the Brady BMP21 series, ID PAL, and LabPal handheld label printers.
Q: Can these polyester labels be used in outdoor environments?
A: Yes, they are UL recognized for outdoor use on specific surfaces like glass and certain thermoset plastics. However, they are not recommended for application on low surface energy plastics such as polyethylene or polypropylene.



