How well does Brady B-642 adhere to stainless steel, powder coat, and plastic surfaces?

Brady B-642 uses a Permanentacrylic 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-642?

The official manufacturer-recommended thermal transfer ribbon for Brady B-642 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-642 withstand industrial chemicals, solvents, and fuels?

Brady B-642 resists common industrial reagents including lubricating oils, water, mild acids, and aliphatic solvents.

Is Brady B-642 UL Recognized, CSA Accepted, or Halogen-Free?

Brady B-642 meets RoHS 2011/65/EU and REACH (SVHC) directives.

What surface preparation is required before installing Brady B-642?

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.

Home B-Numbers DirectoryB-642

Brady B-642label_film_tape6 Orderable SKUs

Compare

Brady B-642: B-642

Q: What are the primary industrial applications for Brady B-642 (B-642)?

Brady B-642 is a high-performance TranslucentpolyvinylfluorideFinish: Providedinaselflaminatedformatwithawhiteprintablezoneandatranslucentoverlaminatingarea.Adhesive: Permanentacrylic designed specifically for rating plates, asset tags, and industrial equipment identification. It features a Permanentacrylic engineered for long-term industrial reliability in environments requiring standard industrial operating range performance.

Q: What is the continuous operating temperature range for Brady B-642?

Brady B-642 is rated for continuous service temperatures from standard industrial operating range. In laboratory heat-aging tests, it maintains dimensional stability and barcode contrast across broad thermal cycles.

Brady B-642 is a translucent polyvinyl fluoride film tape with excellent flexibility for wrapping on small diameter wires, providing good self-extinguishing properties and solvent resistance.

Material Composition

TranslucentpolyvinylfluorideFinish: Providedinaselflaminatedformatwithawhiteprintablezoneandatranslucentoverlaminatingarea.Adhesive: Permanentacrylic

Adhesive System

Permanentacrylic

Operating Temperature

From -70°C

Total Thickness

—

Wire & Cable Wrap

B-642 Application & Installation Blueprint

Self-Laminating Wire & Cable Marker • Physical application tolerances and surface engineering

Industrial Fit Certified

Installed in real-world industrial environment

Self-Laminating 360° Overlap Wrap Installation

1Position the white opaque printable zone directly against the copper/PVC wire insulation.

2Wrap the cable firmly so the clear transparent overlaminate tail wraps 360° completely around the wire.

3Ensure the clear tail overlaps the printed text by at least 1/4" to seal against oils, solvents, and abrasion.

Engineering Tolerance: Recommended Overlap: 360° full circumference + 0.25" to 0.50" clear tail overlap.

Substrate Compatibility & Adhesion Matrix

PVC & PUR Insulated Cable

Excellent (5/5)

Cat5e / Cat6 UTP Network Wires

Excellent (5/5)

Tefzel / PTFE Aerospace Wiring

Very Good (4.5/5)

Smooth Fiber Optic Cable

Excellent (5/5)

Tested Environmental Survivability

IPA & Mineral SpiritsHydraulic Oil & GasolineAbrasion & FrictionWater & Humidity

Recommended Field & Shop Tools:

M210 / M610 Portable PrinterWraptor A6500 Automated MachineManual Thumb Roll

Orderable Part Numbers, Packaging & Distributor SKUs

Official Brady SKUs, roll dimensions, package quantities, list pricing, Grainger part numbers, and printer compatibility for B-642.

Popular B-642 Formats

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

#1 Popular Choice

Standard Part

M6-19-642

1 in H x 1 in W

Roll of 250 Labels

Roll / Pack Total:$94.99 USD

Normalized Unit Cost:$0.38/label

Material Area Cost:$0.38/sq in

Supported Hardware:

M610M611M710 (with media adapter)

Grainger

#2 Standard Format

Standard Part

M6-31-642

1.5 in H x 1 in W

Roll of 250 Labels

Roll / Pack Total:$120.99 USD

Normalized Unit Cost:$0.48/label

Material Area Cost:$0.32/sq in

Supported Hardware:

M610M611M710 (with media adapter)

Grainger

#3 High Capacity

Standard Part

M6-21-642

2.5 in H x 1 in W

Roll of 100 Labels

Roll / Pack Total:$73.99 USD

Normalized Unit Cost:$0.74/label

Material Area Cost:$0.30/sq in

Supported Hardware:

M610M611M710 (with media adapter)

Grainger

All 6 Orderable Part Numbers

Pricing: $73.99 – $121.99 USD

Catalog SKU	Dimensions	Packaging / Qty	List Price & Unit Cost	Order MOQ	Compatible Printers
M6-19-642Popular UPC: 888434600412	1 in H x 1 in W	Roll of 250 Labels	$94.99 USD $0.38/label ($38.00/100) $0.38/sq in	1 ROL Standard Order	M610M611+1
M6-31-642Popular UPC: 888434600962	1.5 in H x 1 in W	Roll of 250 Labels	$120.99 USD $0.48/label ($48.40/100) $0.32/sq in	1 ROL Standard Order	M610M611+1
M6-21-642Popular UPC: 888434600535	2.5 in H x 1 in W	Roll of 100 Labels	$73.99 USD $0.74/label ($73.99/100) $0.30/sq in	1 ROL Standard Order	M610M611+1
M7-31-642 UPC: 888434589670	1.5 in H x 1 in W	Roll of 250 Labels	$121.99 USD $0.49/label ($48.80/100) $0.33/sq in	1 ROL Standard Order	M710
M7-19-642 UPC: 888434590225	1 in H x 1 in W	Roll of 250 Labels	$95.99 USD $0.38/label ($38.40/100) $0.38/sq in	1 ROL Standard Order	M710
M7-21-642 UPC: 888434590034	2.5 in H x 1 in W	Roll of 100 Labels	$74.99 USD $0.75/label ($74.99/100) $0.30/sq in	1 ROL Standard Order	M710

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.

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	21 oz	600 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
Skydrol 500B-4	Slight unwrap	Slight unwrap
3% Alconox Detergent	No visible effect	No visible effect
Skydrol® 500B-4	Tested	Tested
3% Alconox® Detergent	Tested	Tested

Environmental & Aging Durability Testing

Environmental Exposure Condition	Observation & Legibility Result
Service temperature (min)	-70 °C

Verified Target Applications & Use Cases

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

Brady B-642 Frequently Asked Questions & Engineering Guide

Verified technical answers on physical adhesion, temperature thresholds, ribbon pairings, and replacement standards for B-642.

Brady B-642 is a high-performance TranslucentpolyvinylfluorideFinish: Providedinaselflaminatedformatwithawhiteprintablezoneandatranslucentoverlaminatingarea.Adhesive: Permanentacrylic designed specifically for rating plates, asset tags, and industrial equipment identification. It features a Permanentacrylic engineered for long-term industrial reliability in environments requiring standard industrial operating range performance.

Brady B-642 is rated for continuous service temperatures from standard industrial operating range. In laboratory heat-aging tests, it maintains dimensional stability and barcode contrast across broad thermal cycles.

Need Custom Engineering Validation for Brady B-642?

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

Ribbon Matcher Compare B-642