How well does Brady B-7639 adhere to stainless steel, powder coat, and plastic surfaces?

Brady B-7639 uses a acrylic pressure sensitive 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-7639?

The official manufacturer-recommended thermal transfer ribbon for Brady B-7639 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-7639 withstand industrial chemicals, solvents, and fuels?

Brady B-7639 resists common industrial reagents including lubricating oils, water, mild acids, and aliphatic solvents.

Is Brady B-7639 UL Recognized, CSA Accepted, or Halogen-Free?

Brady B-7639 meets RoHS 2011/65/EU and REACH (SVHC) directives.

What surface preparation is required before installing Brady B-7639?

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-7639: Clear Polyester Overlaminating Film

Q: What are the primary industrial applications for Brady B-7639 (Clear Polyester Overlaminating Film)?

Brady B-7639 is a high-performance polyester film with an acrylic pressure sensitive adhesive designed specifically for rating plates, asset tags, and industrial equipment identification. It features a acrylic pressure sensitive adhesive engineered for long-term industrial reliability in environments requiring up to 120°C (248°F) performance.

Q: What is the continuous operating temperature range for Brady B-7639?

Brady B-7639 is rated for continuous service temperatures from up to 120°C (248°F). In laboratory heat-aging tests, it maintains dimensional stability and barcode contrast across broad thermal cycles.

Brady B-7639 is a gloss clear polyester film with an acrylic pressure sensitive adhesive, used as an overlaminate for labels requiring UV and weather resistance.

Material Composition

polyester film with an acrylic pressure sensitive adhesive

Adhesive System

acrylic pressure sensitive adhesive

Operating Temperature

Up to 120°C

Total Thickness

1.8 mils (0.046 mm)

Industrial Safety & Asset Marker

B-7639 Application & Installation Blueprint

Heavy-Duty Industrial Safety & Identification Marker • Physical application tolerances and surface engineering

Industrial Fit Certified

B-7639 real-world industrial application

Installed in real-world industrial environment

Standard Industrial Marking Procedure

1Ensure application surface is dry and free of loose particulate or heavy oil.

2Peel and apply with steady firm pressure from center to edge.

3Allow 24 hours for ultimate cross-linked adhesion strength.

Engineering Tolerance: Engineered to withstand standard industrial plant environmental conditions and indoor/outdoor temperature swings.

Substrate Compatibility & Adhesion Matrix

Smooth Metals & Stainless Steel

Standard Bond (5/5)

Rigid Thermoplastics & ABS

Standard Bond (4.8/5)

Painted Metal Cabinets

Standard Bond (4.8/5)

Glass & Smooth Composite

Standard Bond (4.8/5)

Tested Environmental Survivability

Industrial Plant Temperature SwingsDust, Grease & Mild FluidsStandard Abrasion & RubbingLong-Term Legend Legibility

Recommended Field & Shop Tools:

i3300 / i5100 Benchtop PrinterM210 / M610 Handheld ToolStandard Thermal Ribbon

Orderable Part Numbers, Packaging & Distributor SKUs

Official Brady SKUs, roll dimensions, package quantities, list pricing, Grainger part numbers, and printer compatibility for B-7639.

Custom orderable roll sizes, continuous tapes, and die-cut parts for B-7639 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: Up to 120°C

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)
Total Thickness	ASTM D 1000	1.8 mils (0.002 in)	0.046 mm

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
Isopropyl Alcohol	No visible effect	No visible effect
Ethanol	No visible effect	No visible effect
Iso-octane	No visible effect	No visible effect
10% Sulfuric Acid Solution	No visible effect	No visible effect
5% Sodium Hydroxide Solution	No visible effect	No visible effect
Methyl Ethyl Ketone	Edges dissolved of B-580 material / Slight edge lifting of B-7639	Edges dissolved of B-580 material / Slight edge lifting of B-7639
Acetone	Slight edge lifting of B-7639	Slight edge lifting of B-7639
SAE-15W20 Motor Oil	No visible effect	No visible effect
Gasfuel Unleaded	Edges dissolved of B-580 material / Slight edge lifting of B-7639	Edges dissolved of B-580 material / Slight edge lifting of B-7639
Skydrol 500B-4	No visible effect	No visible effect
MIL-H-5606 Oil	No visible effect	No visible effect
Soap 5%	No visible effect	No visible effect
Isopropyl Alcohol	Tested	Tested
Ethanol	Tested	Tested
Iso-octane	Tested	Tested
10% Sulfuric Acid Solution	Tested	Tested
5% Sodium Hydroxide Solution	Tested	Tested

Environmental & Aging Durability Testing

Environmental Exposure Condition	Observation & Legibility Result
Service temperature (max)	120 °C

Verified Target Applications & Use Cases

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

Brady B-7639 Frequently Asked Questions & Engineering Guide

Verified technical answers on physical adhesion, temperature thresholds, ribbon pairings, and replacement standards for B-7639.

Brady B-7639 is a high-performance polyester film with an acrylic pressure sensitive adhesive designed specifically for rating plates, asset tags, and industrial equipment identification. It features a acrylic pressure sensitive adhesive engineered for long-term industrial reliability in environments requiring up to 120°C (248°F) performance.

Brady B-7639 is rated for continuous service temperatures from up to 120°C (248°F). In laboratory heat-aging tests, it maintains dimensional stability and barcode contrast across broad thermal cycles.

Need Custom Engineering Validation for Brady B-7639?

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

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