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603 Verified Technical Specifications
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B-8491

B-8491 is a low profile white polyimide label with thermal transfer printable static dissipative properties, designed for ESD packaging and printed circuit board labeling.

Material Composition
PolyimideFinish:Semi- matteAdhesive:StaticDissipativePressureSensitiveAcrylic
Adhesive System
StaticDissipativePressureSensitiveAcrylic
Operating Temperature
From -70°C
Total Thickness
300°C SMT Reflow PCB

B-8491 Application & Installation Blueprint

High-Temp SMT PCB & Circuit Board Label • Physical application tolerances and surface engineering
Industrial Fit Certified
B-8491 real-world industrial application
Installed in real-world industrial environment
High-Temperature Surface Mount Placement
1Place label onto clean FR-4 board or electronic casing via automated SMT feeder or anti-static tweezers.
2Press firmly to activate permanent cross-linking acrylic adhesive.
3Passes through lead-free wave solder (500°F / 260°C) and multi-stage aqueous saponifier defluxing without degradation.
Engineering Tolerance: Survives 500°F (260°C) wave solder. Razor-sharp 600 DPI printing for micro 2D DataMatrix barcodes down to 0.125".
Substrate Compatibility & Adhesion Matrix
FR-4 Printed Circuit Boards
Extreme Bond (5/5)
Solder Mask & Copper Traces
Wave Proof (5/5)
Anodized Aluminum Housings
High Bond (4.8/5)
Ceramic Hybrid Substrates
High Bond (4.8/5)
Tested Environmental Survivability
500°F (260°C) SMT Wave SolderKyzen / Zestron DefluxersIsopropyl Alcohol 99%Electrostatic Discharge (ESD)
Recommended Field & Shop Tools:
i5100 600 DPI Precision PrinterAutomated Label Feeder (ALF)ESD Anti-Static Tweezers

Orderable Part Numbers, Packaging & Distributor SKUs

Official Brady SKUs, roll dimensions, package quantities, list pricing, Grainger part numbers, and printer compatibility for B-8491.

Custom orderable roll sizes, continuous tapes, and die-cut parts for B-8491 are available through authorized Brady distributors.

Quality Assurance, Storage & Regulatory Compliance

Standardized engineering guidelines for warehouse storage, application temperature, and agency certifications.

Shelf Life & Warehouse Storage
Expected Shelf Life: 1 Year from receipt
Storage Temperature: Below 80°F (27°C)
Relative Humidity: 60% RH
Must be stored in original packaging in a climate-controlled warehouse.
Application vs Service Limits
Min Application Temp: 50°F (10°C)
Service Temp Range: Standard Industrial
Full Cure / Dwell Time: 24 Hours (ASTM D1000)
Clean surface of oil/grease before bonding for maximum peel strength.
Agency Testing & File Directories
UL 969 / 2238: Non-approved variant
UL Directory
CSA C22.2: Not certified
CSA Directory
Environmental & Safety Standards
RoHS 3 Compliance:2011/65/EU (Pass 2015/863)
REACH Status:SVHC Free (<0.1% w/w)
CA Prop 65:Compliant Notice
Certificates of Conformance (CoC) available on order shipment.
Sponsored Industrial Label Solutions
Industrial Label Printers & Materials
Relevant Technical Equipment & Consumables [Ad Slot spec-mid-B-8491]

ASTM Physical & Mechanical Properties

Standardized laboratory test data measured in accordance with ASTM D 1000, ASTM D 2979, and ASTM D 2671.

0
Physical PropertyTest MethodStandard Test Units (US)Metric Units (SI)

Thermal Transfer Ribbon Compatibility

Official Brady recommended ribbons engineered for maximum contrast, smear resistance, and UL certification compliance.

Recommended Thermal Transfer
Non-printable hardware, tag, or pre-printed material.
* Note: Testing print permanence with official Brady ribbons is required to maintain UL/CSA agency certification on printed labels.

Chemical & Solvent Resistance Matrix

Standardized dip and rub immersion test observations across industrial fuels, oils, solvents, and cleaners.

Tested per ASTM D 895 / Brady standard dip & rub immersion.
Chemical Reagent / SolventSubstrate / Adhesive EffectThermal Ribbon Permanence
Deionized water at 100°C (212°F)TestedTested

Environmental & Aging Durability Testing

Environmental Exposure ConditionObservation & Legibility Result
8491 is a low profile white polyimide label with thermal transfer printable static dissipative properties, designed for ESD packaging and printed circuit board labeling. ## Verified specifications - Service temperature (min)-70 °C

Verified Target Applications & Use Cases

  • Industrial rating plates, asset identification, and electrical component labeling.