UPC: 754473548407UNSPSC: 55121612
Brady THT-21-8591-WT Weather Resistant Polyester Outdoor Labels 3 in W x 300 ft L White
Formulated from Brady B-8591 PolyesterFinish:GlossAdhesive:Permanent acrylic with permanent acrylic adhesive. Engineered for 3" W × 300 ft Roll industrial labeling applications.
Finish / Color: White (GlossAdhesive:Permanent acrylic)Packaging: Roll of 300 Feet
Engineered Technical Features
- 12+ year outdoor durability reduces identification failures and the costs associated with losing this information
- No over laminate means durability is drastically improved without adding an over laminate over the print
- Quick and easy application with pressure-sensitive adhesive
- Meets regulatory specifications for Halogen Free Applications
- This roll has i75-series smart properties on the core that when used in the Brady i7500 printer in conjunction with i75-series smart ribbons, eliminates the need to adjust heat, speed , sensor location and mode, eliminates the need to calibrate out blank wasted labels, and warns the operator if a non-approved ribbon is used with this roll.
- If this roll is used in Brady i5100 or IP model printers it will function with smart operation in those printers with the exception that the Supply Remaining gauge on the display may be overstated. Contact Brady tech support for further information.
- If used in any other 3 inch core printer this roll will function as a manual roll
- A ribbon is required to print this material. Use Part Number IP-R6602 for the BradyPrinter i5100 or BRADY IP® Series Label Printer; use R6602 for a different printer
Commercial Roll Pricing
$425.99/ Roll of 300 Feet
Normalized Unit Cost
$1.42/ft
($0.04/sq in)
Select Package Quantity:
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Compatible Brady Printers & Thermal Transfer Ribbon Pairing
Verified hardware compatibility and recommended ribbon formulations for THT-21-8591-WT.
Verified Compatible Printers (8)
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-8591 (B-8591 Industrial Material) | Continuous Temp Range: | -40°F to 250°F (-40°C to 121°C) |
| Substrate Polymer Chemistry: | PolyesterFinish:GlossAdhesive:Permanent acrylic | Total Material Thickness: | 0.004 in (0.102 mm) |
| Adhesive Formulation: | Permanent Acrylic | ASTM D1000 Stainless Steel Peel: | 50+ oz/in |
| ASTM D1000 Polypropylene Peel: | 35+ oz/in | ASTM 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 Formulation | Surface Finish: | GlossAdhesive:Permanent acrylic |
Chemical Immersion & Harsh Solvent Ratings
Acetone (reagent); Label removed from panel (effect)
Rating: Resistant
Toluene (reagent); No visible effect (effect)
Rating: Resistant
Mineral Spirits (reagent); No visible effect (effect)
Rating: Resistant
Gasoline (reagent); No visible effect (effect)
Rating: Resistant
JP-8 Jet Fuel (reagent); No visible effect (effect)
Rating: Resistant
Brake Fluid - DOT 3 (reagent); No visible effect (effect)
Rating: Resistant
Related Sibling SKUs & Alternate Formats
Alternate Format / Size$260.99
B33-25-8591-WT
6 in H x 4 in W • Cartridge of 250 Labels
$1.04/label
High-Capacity Bulk Roll$832.99
THT-161-8591-1-YL
4 in H x 4 in W • Roll of 1000 Labels
$0.83/label
Popular Standard Sibling$592.99
THT-107-8591-SL
4 in W x 300 ft L • Roll of 300 Feet
$1.98/ft
Engineering & Specifier FAQs for THT-21-8591-WT
Can I print Brady THT-21-8591-WT on a standard portable printer?
THT-21-8591-WT 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 THT-21-8591-WT recognized under UL 969 for electrical panel rating plates?
Yes, THT-21-8591-WT is manufactured from Brady B-8591, 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 THT-21-8591-WT?
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.