Home/B-Numbers/B-499/M21-375-499-TB
MATERIAL: B-499CONTINUOUSUL 969 RECOGNIZED
Grainger Item #: 4YJZ7UPC: 662820900085UNSPSC: 55121612

Brady M21-375-499-TB Aggressive Adhesive Multi-Purpose Nylon Terminal Block Labels

Formulated from Brady B-499 Industrial Technical Substrate with permanent acrylic adhesive. Engineered for 0.375" W × 16 ft Roll industrial labeling applications.

Brady M21-375-499-TB Aggressive Adhesive Multi-Purpose Nylon Terminal Block Labels
Finish / Color: Black on White (Gloss / Matte)Packaging: Cartridge of 16 Feet
Technical CAD Schematic • M21-375-499-TB
CUTCUTM21-375-499-TBCONTINUOUS CUT-TO-LENGTH ROLLTotal Roll Length: 16 Feet (4.9 m)WIDTH: 0.375 inCONTINUOUS DISPENSER FEED
Physical FormatCONTINUOUS
Label Dimensions0.375 in × 0.375 in
Manufacturing Tol.±0.015 in (0.38 mm)

Engineered Technical Features

  • Application Versatility – Highly pliable material conforms tightly to curved surfaces such as wires and cables while also adhering to stainless steel, textured ABS, Polypropylene and many other material types
  • Engineered Performance – Resists exposure to cold temperatures, chemicals, greases, oils, cleaners, and detergents
  • Irregular Surfaces – Low profile label material adheres to smooth, rough, or powder coated surfaces or even materials with low surface energy
  • Certifications – UL Recognized to UL969, CSA to C22.2 No. 0.15-95, RoHS compliant to 2011/65/EU (Pass 2015/863)
  • For material specific performance and properties, please refer to the Technical Data Sheet (TDS)
Commercial Roll Pricing
$30.29/ Cartridge of 16 Feet
Normalized Unit Cost
$1.89/ft
($0.42/sq in)
Select Package Quantity:
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Compatible Brady Printers & Thermal Transfer Ribbon Pairing

Verified hardware compatibility and recommended ribbon formulations for M21-375-499-TB.

Master Printer Directory
Verified Compatible Printers (5)
Recommended Thermal Transfer Ribbons
Series R6000HFHalogen-Free Pure Resin
Best for: Harsh Chemicals, Solvents & High Heat
Series R4300Wax / Resin Hybrid
Best for: General Industrial & High Contrast Barcodes

Full Technical & Material Specifications (ASTM / UL Testing)

Material Formulation:Brady B-499 (B-499 Industrial Material)Continuous Temp Range:-40°F to 250°F (-40°C to 121°C)
Substrate Polymer Chemistry:Industrial Technical SubstrateTotal Material Thickness:0.004 in (0.102 mm)
Adhesive Formulation:Permanent AcrylicASTM D1000 Stainless Steel Peel:50+ oz/in
ASTM D1000 Polypropylene Peel:35+ oz/inASTM D1000 Powder Coat Peel:40+ oz/in
UL 969 Recognition:UL 969 (File MH17154 / MH10939)CSA C22.2 Acceptance:CSA C22.2 No. 0.15
RoHS / Halogen Compliance:RoHS Compliant • Standard FormulationSurface Finish:Gloss / Matte
Chemical Immersion & Harsh Solvent Ratings
Isopropyl Alcohol (IPA)
Rating: Excellent
Skydrol 500B-4 Aviation Fluid
Rating: Moderate
Acetone / MEK
Rating: Moderate
Brake Fluid (DOT 4)
Rating: Good
Engine Oil / Gasoline
Rating: Excellent

Related Sibling SKUs & Alternate Formats

Alternate Format / Size$40.59
M4-130-499
0.375 in H x 0.825 in WCartridge of 220 Labels
$0.18/label
View SKU Specs
High-Capacity Bulk Roll$65.99
M5-120-499
0.5 in H x 1 in W x 0.375 in DiaCartridge of 240 Labels
$0.27/label
View SKU Specs
Popular Standard Sibling$31.29
M21-500-499-TB
0.5 in W x 16 ft LCartridge of 16 Feet
$1.96/ft
View SKU Specs

Engineering & Specifier FAQs for M21-375-499-TB

Can I print Brady M21-375-499-TB on a standard portable printer?

Yes, M21-375-499-TB is fully compatible with portable field printers including M210, M210-LAB, M211 using drop-in all-in-one cartridges.

Is Brady M21-375-499-TB recognized under UL 969 for electrical panel rating plates?

Yes, M21-375-499-TB is manufactured from Brady B-499, which holds UL 969 component recognition under File MH17154 / MH10939 (PGJI2) when printed with approved thermal transfer ribbons (such as Series R6000HF).

How do I generate an official engineering submittal package for M21-375-499-TB?

Click the "1-Click Engineering Submittal PDF Package" button above to instantly generate a contractor-stamped specification packet with ASTM D1000 adhesion test data, continuous operating temperatures, and UL compliance certificates ready for architectural submittals.