Home/B-Numbers/B-424/B33-25-424
MATERIAL: B-424DIE-CUTUL 969 RECOGNIZED
Grainger Item #: 21U329UPC: 662820969099UNSPSC: 55121612

Brady B33-25-424 B33 Series Paper Labels 6 in H x 4 in W White 350/RL

Formulated from Brady B-424 WhitePaperFinish:MatteAdhesive:PermanentRubber with permanent acrylic adhesive. Engineered for 4" W × 6" H industrial labeling applications.

Brady B33-25-424 B33 Series Paper Labels 6 in H x 4 in W White 350/RL
Finish / Color: White (MatteAdhesive:PermanentRubber)Packaging: Cartridge of 350 Labels
Technical CAD Schematic • B33-25-424
RELEASE LINERB33-25-424B-424WHITE DIE-CUTCorner Radius: 0.0625" (1.58 mm) • Edge Tolerance: ±0.015"LABEL WIDTH: 4 inHEIGHT: 6 inFEED
Physical FormatDIE-CUT
Label Dimensions4 in × 6 in
Manufacturing Tol.±0.015 in (0.38 mm)

Engineered Technical Features

  • White matte paper label stock features permanent rubber adhesive
  • Low cost is ideal for all general purpose labeling projects
  • Service temperature of -40 to 122° F (-40 to 50° C)
  • Service temperature of -40 to 122° F (-40 to 50° C)
  • A ribbon is required to print this material. Use Part Number B30-R4300
Commercial Roll Pricing
$119.99/ Cartridge of 350 Labels
Normalized Unit Cost
$0.34/label
($0.01/sq in)
Select Package Quantity:
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Compatible Brady Printers & Thermal Transfer Ribbon Pairing

Verified hardware compatibility and recommended ribbon formulations for B33-25-424.

Master Printer Directory
Verified Compatible Printers (4)
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-424 (B-424 Industrial Material)Continuous Temp Range:-40°F to 250°F (-40°C to 121°C)
Substrate Polymer Chemistry:WhitePaperFinish:MatteAdhesive:PermanentRubberTotal 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:MatteAdhesive:PermanentRubber
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$112.99
B30C-4000-424
4 in W x 150 ft LCartridge of 150 Feet
$0.75/ft
View SKU Specs
High-Capacity Bulk Roll$203.99
THT-20-424-1
5 in H x 3 in WRoll of 1000 Labels
$0.20/label
View SKU Specs
Popular Standard Sibling$85.99
THT-55-424-1
2 in H x 4 in WRoll of 1000 Labels
$0.086/label
View SKU Specs

Engineering & Specifier FAQs for B33-25-424

Can I print Brady B33-25-424 on a standard portable printer?

B33-25-424 is a bulk roll engineered for benchtop printers (such as the i3300, i5100, i7100, and PR Plus series) with 3-inch core diameter holders.

Is Brady B33-25-424 recognized under UL 969 for electrical panel rating plates?

Yes, B33-25-424 is manufactured from Brady B-424, 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 B33-25-424?

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.