Home/B-Numbers/B-438/B33-7-438
MATERIAL: B-438DIE-CUTUL 969 RECOGNIZED
UPC: 888434564004UNSPSC: 55121612

Brady B33-7-438 B33 Series Tamper Evident Metallized Polyester Labels

Formulated from Brady B-438 Metallized Polyester with permanent acrylic adhesive. Engineered for 2.75" W × 1.25" H industrial labeling applications.

Brady B33-7-438 B33 Series Tamper Evident Metallized Polyester Labels
Finish / Color: Silver (Matte SilverAdhesive: Tamper Indicating Acrylic)Packaging: Roll of 1000 Labels
Technical CAD Schematic • B33-7-438
RELEASE LINERB33-7-438B-438SILVER DIE-CUTCorner Radius: 0.0625" (1.58 mm) • Edge Tolerance: ±0.015"LABEL WIDTH: 2.75 inHEIGHT: 1.25 inFEED
Physical FormatDIE-CUT
Label Dimensions2.75 in × 1.25 in
Manufacturing Tol.±0.015 in (0.38 mm)

Engineered Technical Features

  • Designed for rating and serial plates requiring both high-performance and protection against removal
  • Ideal for product labeling, asset tracking and general industrial ID
  • Withstands solvents and variable temperatures
  • Requires minimal handling in order to prevent prematurely exposed checkerboard pattern
  • A ribbon is required to print this material. Use Part Number B30-R4300
Commercial Roll Pricing
$232.99/ Roll of 1000 Labels
Normalized Unit Cost
$0.23/label
($0.07/sq in)
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Compatible Brady Printers & Thermal Transfer Ribbon Pairing

Verified hardware compatibility and recommended ribbon formulations for B33-7-438.

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-438 (B-438 Industrial Material)Continuous Temp Range:-40°F to 250°F (-40°C to 121°C)
Substrate Polymer Chemistry:Metallized PolyesterTotal 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:Matte SilverAdhesive: Tamper Indicating Acrylic
Chemical Immersion & Harsh Solvent Ratings
Methyl Ethyl Ketone
Rating: Resistant
1,1,1 -Trichloroethane
Rating: Resistant
Freon TMS
Rating: Resistant
Isopropyl Alcohol
Rating: Resistant
Mineral Spirits
Rating: Resistant
JP-4 Jet Fuel
Rating: Resistant

Related Sibling SKUs & Alternate Formats

Alternate Format / Size$208.99
B30C-3000-438-SL
3 in W x 100 ft LCartridge of 100 Feet
$2.09/ft
View SKU Specs
High-Capacity Bulk Roll$414.99
THT-19-438-1
2 in H x 3 in WRoll of 1000 Labels
$0.41/label
View SKU Specs
Popular Standard Sibling$261.99
B30-222-438
2 in H x 3 in WCartridge of 650 Labels
$0.40/label
View SKU Specs

Engineering & Specifier FAQs for B33-7-438

Can I print Brady B33-7-438 on a standard portable printer?

B33-7-438 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 B33-7-438 recognized under UL 969 for electrical panel rating plates?

Yes, B33-7-438 is manufactured from Brady B-438, 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 B33-7-438?

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.