How well does Brady B-341 adhere to stainless steel, powder coat, and plastic surfaces?

Brady B-341 uses a Specialty adhesive adhesive. For optimum bond strength, surfaces should be cleaned with an isopropyl alcohol (IPA) wipe and allowed to dwell for 24 hours prior to full chemical or mechanical stress.

Which thermal transfer ribbons and Brady printers are compatible with B-341?

The official manufacturer-recommended thermal transfer ribbon for Brady B-341 is Brady Series R4300, R6000 Halogen-Free, or R6200 resin ribbons. Using the recommended resin or hybrid ribbon ensures crisp edge definition, high-density 2D DataMatrix scanning, and compliance with abrasion rub standards. Compatible Brady printers include benchtop industrial systems (i3300, i5100, i7100, BBP33) as well as rugged portable field printers (M510, M610, and M710) depending on the SKU form factor.

How does Brady B-341 withstand industrial chemicals, solvents, and fuels?

Brady B-341 resists common industrial reagents including lubricating oils, water, mild acids, and aliphatic solvents.

Is Brady B-341 UL Recognized, CSA Accepted, or Halogen-Free?

Brady B-341 meets RoHS 2011/65/EU and REACH (SVHC) directives. It is a UL Recognized Component under standard(s) UL 224, UL 224 with File Number(s) MH17154.

What surface preparation is required before installing Brady B-341?

To achieve maximum bond strength, ensure the bonding substrate is clean, dry, and free of machining oils, silicone mold release agents, or dust. Wipe the surface with a 50/50 Isopropyl Alcohol (IPA) and water solution using a lint-free wipe, allow to evaporate completely, and apply firm, uniform roller or thumb pressure across the entire label face.

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Brady B-341: B-341 PermaSleeve Marker

Q: What are the primary industrial applications for Brady B-341 (B-341 PermaSleeve Marker)?

Brady B-341 is a high-performance flexible polyolefin sleeves designed specifically for rating plates, asset tags, and industrial equipment identification. It features a Specialty adhesive engineered for long-term industrial reliability in environments requiring -40°C to 260°C (-40°F to 500°F) performance.

Q: What is the continuous operating temperature range for Brady B-341?

Brady B-341 is rated for continuous service temperatures from -40°C to 260°C (-40°F to 500°F). In laboratory heat-aging tests, it maintains dimensional stability and barcode contrast across broad thermal cycles.

B-341 PermaSleeve™ Markers are heat shrinkable, flexible polyolefin sleeves used for wire identification and insulation purposes.

Material Composition

flexible polyolefin sleeves

Adhesive System

Non-Adhesive

Operating Temperature

-40°C to 260°C (-40°F to 500°F)

Total Thickness

—

Heat-Shrink Wire Sleeve

B-341 Application & Installation Blueprint

PermaSleeve® Heat-Shrink Wire Tubing • Physical application tolerances and surface engineering

Industrial Fit Certified

Installed in real-world industrial environment

3:1 Heat-Shrink Sleeve Recovery Procedure

1Slide the unrecovered tubular sleeve over the wire lead prior to connector crimping.

2Position sleeve at the desired marker distance from the terminal pin.

3Apply focused hot air at 250°F (120°C) with an industrial heat gun until polyolefin shrinks snugly around wire.

Engineering Tolerance: 3:1 Shrink Ratio recovers down to 33% of expanded diameter. Meets SAE-AS-81531 and MIL-STD-202.

Substrate Compatibility & Adhesion Matrix

Mil-Spec Aircraft Wire (M22759)

Engineered Fit (5/5)

Cross-Linked Polyethylene (XLPE)

Engineered Fit (5/5)

Kapton & Tefzel Wire Bundles

Engineered Fit (5/5)

Automotive Primary Wire

Engineered Fit (5/5)

Tested Environmental Survivability

SAE-AS-81531 Mil-Spec RubMIL-STD-202 Method 215KAviation Fuel & DieselHigh Vibration & Flexing

Recommended Field & Shop Tools:

Industrial Heat Gun with Reflector Nozzlei7100 / BBP72 Double-Sided PrinterM610 Portable Tool

Orderable Part Numbers, Packaging & Distributor SKUs

Official Brady SKUs, roll dimensions, package quantities, list pricing, Grainger part numbers, and printer compatibility for B-341.

Custom orderable roll sizes, continuous tapes, and die-cut parts for B-341 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: -40°C to 260°C (-40°F to 500°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 / MH64936

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.

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)
Dielectric Breakdown	ASTM D 1000 / ASTM D 2671	500 Volts/mil	—

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
Methyl Ethyl Ketone (reagent); No visible effect (observation)	Tested	Tested
1,1,1-Trichloroethane (reagent); Severe print fade, barely legible (observation)	Tested	Tested
Isopropyl Alcohol (reagent); Slight print fade (observation)	Tested	Tested
JP-8 Jet Fuel (reagent); Slight print fade (observation)	Tested	Tested
Mil 5606 Oil (reagent); Topcoat slightly stained red, slight print fade (observation)	Tested	Tested
Mil 7808 Oil (reagent); No visible effect (observation)	Tested	Tested
Speedi Kut Cutting Oil 332 (reagent); No visible effect (observation)	Tested	Tested
Gasoline (reagent); Moderate print fade, barely legible (observation)	Tested	Tested
Rust Veto 377 (reagent); Tubing stained orange, no visible effect on printing, moderate print fade, print legible (observation)	Tested	Tested
Skydrol 500B-4 (reagent); No visible effect (observation)	Tested	Tested
Super Agitene (reagent); No visible effect (observation)	Tested	Tested
BIOACT EC-7R Terpene Cleaner (reagent); No visible effect (observation)	Tested	Tested
Deionized Water (reagent); No visible effect (observation)	Tested	Tested
3% Alconox Detergent (reagent); No visible effect (observation)	Tested	Tested
5% Salt (NaCl) Solution (reagent); No visible effect (observation)	Tested	Tested
Propylene Glycol (reagent); Slight print fade (observation)	Tested	Tested
Kerosene (reagent); Moderate print fade, print legible (observation)	Tested	Tested
Methyl Ethyl Ketone	Tested	Tested
1,1,1-Trichloroethane	Tested	Tested
Isopropyl Alcohol	Tested	Tested
JP-8 Jet Fuel	Tested	Tested
Mil 5606 Oil	Tested	Tested
Mil 7808 Oil	Tested	Tested
Speedi Kut Cutting Oil 332	Tested	Tested
Gasoline	Tested	Tested
Rust Veto® 377	Tested	Tested
Skydrol® 500B-4	Tested	Tested
Super Agitene®	Tested	Tested
BIOACT® EC-7R™ Terpene Cleaner	Tested	Tested
Deionized Water	Tested	Tested
3% Alconox® Detergent	Tested	Tested
5% Salt (NaCl) Solution	Tested	Tested
Propylene Glycol	Tested	Tested
Kerosene	Tested	Tested

Environmental & Aging Durability Testing

Environmental Exposure Condition	Observation & Legibility Result
Service temperature	-40 to 260 °C

Verified Target Applications & Use Cases

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

Brady B-341 Frequently Asked Questions & Engineering Guide

Verified technical answers on physical adhesion, temperature thresholds, ribbon pairings, and replacement standards for B-341.

Brady B-341 is a high-performance flexible polyolefin sleeves designed specifically for rating plates, asset tags, and industrial equipment identification. It features a Specialty adhesive engineered for long-term industrial reliability in environments requiring -40°C to 260°C (-40°F to 500°F) performance.

Brady B-341 is rated for continuous service temperatures from -40°C to 260°C (-40°F to 500°F). In laboratory heat-aging tests, it maintains dimensional stability and barcode contrast across broad thermal cycles.

Need Custom Engineering Validation for Brady B-341?

Calculate conductor sizing, check chemical resistance charts, or find matching thermal transfer ribbons.

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