What is the service temperature range of Brady B-731?

Brady B-731 operates from -70°C to 350°C.

Which ribbon is compatible with Brady B-731?

Recommended ribbons for Brady B-731 include: Brady Series R4300 / R6000.

Brady B-731label_film_tape5 Orderable SKUs

Matte Black Laser Markable Static Dissipative Polyimide Label Stock

Brady B-731 is a matte black laser markable static dissipative polyimide label stock designed for pre-process labeling of printed circuit boards and electronic components.

Material Composition

Topcoated 2.0 mil polyimide film

Adhesive System

Static dissipative permanent acrylic

Operating Temperature

-70°C to 350°C (-94°F to 662°F)

Total Thickness

—

300°C SMT Reflow PCB

B-731 Application & Installation Blueprint

High-Temp SMT PCB & Circuit Board Label • Physical application tolerances and surface engineering

Industrial Fit Certified

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-731.

Popular B-731 Formats

Standard industrial rolls and die-cut sizes with unit cost breakdown

#1 Popular Choice

Standard Part

LZR-45-731-10

0.25 in H x 1.5 in W

Roll of 10000 Labels

Roll / Pack Total:$1649.00 USD

Normalized Unit Cost:$0.16/label

Material Area Cost:$0.44/sq in

Supported Hardware:

IR Laser

#2 Standard Format

Standard Part

LZR-43-731-10

0.25 in H x 1.25 in W

Roll of 10000 Labels

Roll / Pack Total:$1529.00 USD

Normalized Unit Cost:$0.15/label

Material Area Cost:$0.49/sq in

Supported Hardware:

IR Laser

#3 High Capacity

Standard Part

LZR-103-731-10

0.25 in H x 1 in W

Roll of 10000 Labels

Roll / Pack Total:$1049.00 USD

Normalized Unit Cost:$0.10/label

Material Area Cost:$0.42/sq in

Supported Hardware:

IR Laser

All 5 Orderable Part Numbers

Pricing: $705.99 – $1649.00 USD

Catalog SKU	Dimensions	Packaging / Qty	List Price & Unit Cost	Order MOQ	Compatible Printers
LZR-45-731-10 UPC: 754473636548	0.25 in H x 1.5 in W	Roll of 10000 Labels	$1649.00 USD $0.16/label ($16.49/100) $0.44/sq in	1 ROL Standard Order	IR Laser
LZR-43-731-10 UPC: 754473636500	0.25 in H x 1.25 in W	Roll of 10000 Labels	$1529.00 USD $0.15/label ($15.29/100) $0.49/sq in	1 ROL Standard Order	IR Laser
LZR-103-731-10 UPC: 754473636517	0.25 in H x 1 in W	Roll of 10000 Labels	$1049.00 USD $0.10/label ($10.49/100) $0.42/sq in	1 ROL Standard Order	IR Laser
LZR-46-731-10 UPC: 754473636531	0.25 in H x 0.75 in W	Roll of 10000 Labels	$934.99 USD $0.093/label ($9.35/100) $0.50/sq in	1 ROL Standard Order	IR Laser
LZR-47-731-10 UPC: 754473636524	0.2 in H x 0.65 in W	Roll of 10000 Labels	$705.99 USD $0.071/label ($7.06/100) $0.54/sq in	1 ROL Standard Order	IR Laser

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: -70°C to 350°C (-94°F to 662°F)

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: MH17154

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.

Engineering Limitations & Chemical Fitness Warnings

Extracted directly from Brady Technical Data Sheets to prevent real-world application failures and chemical degradation:

Not recommended for outdoor use

ASTM Physical & Mechanical Properties

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

Physical Property	Test Method	Standard Test Units (US)	Metric Units (SI)
Polyken™ Probe Tack	ASTM D 2979	41 oz	1150 grams

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 / Solvent	Substrate / Adhesive Effect	Thermal Ribbon Permanence
Kyzen Corp. 15% Aquanox A4625 at 140°F (60°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Kyzen Corp. 17% Aquanox A4520 at 140°F (60°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Kyzen Corp. 10% Aquanox A4638 at 150°F (65°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Kyzen Corp. 20% Aquanox A4703 at 145°F (63°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Zestron, 15% Atron AC205 at 150°F (65°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Zestron, 15% Atron AC207 at 150°F (65°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Zestron, 15% Vigon A201 at 150°F (65°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Zestron, 15% Vigon N600 at 150°F (65°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Isopropyl Alcohol 99% at 180°F (82°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Deionized water at 212°F (100°C) (reagent); No visible effect (subjective_observation); 1 (effect_to_label); 1 (laser_marked_image_without_rub)	Tested	Tested
Aquanox® A4625	Tested	Tested
Aquanox® A4520	Tested	Tested
Aquanox® A4638	Tested	Tested
Aquanox® A4703	Tested	Tested
Atron® AC205	Tested	Tested
Atron® AC207	Tested	Tested
Vigon® A201	Tested	Tested
Vigon® N600	Tested	Tested
Isopropyl Alcohol 99%	Tested	Tested
Deionized water	Tested	Tested

Environmental & Aging Durability Testing

Environmental Exposure Condition	Observation & Legibility Result
Service temperature	-70 to 350 °C

Verified Target Applications & Use Cases

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