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603 Verified Technical Specifications
HomeB-Numbers DirectoryB-425D
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Brady B-425Dlabel_film_tape13 Orderable SKUs
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Thermal Transfer Printable Polypropylene Label Stock

B-425D is a thermal transfer printable polypropylene label stock with acrylic adhesive, suitable for labeling applications requiring solvent resistance and excellent print performance.

Material Composition
White polypropylene
Adhesive System
Acrylic
Operating Temperature
From -40°C
Total Thickness
Industrial Safety & Asset Marker

B-425D Application & Installation Blueprint

Heavy-Duty Industrial Safety & Identification Marker • Physical application tolerances and surface engineering
Industrial Fit Certified
B-425D 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-425D.

Popular B-425D Formats

Standard industrial rolls and die-cut sizes with unit cost breakdown
#1 Popular Choice
Standard Part
M5-01-425-FT
1.575 in H x 1.181 in W
Cartridge of 200 Labels
Roll / Pack Total:$35.69 USD
Normalized Unit Cost:$0.18/label
Material Area Cost:$0.10/sq in
Supported Hardware:
M510M511
Grainger
#2 Standard Format
Standard Part
THT-18-425-1.5-SC
1 in H x 3 in W
Roll of 1500 Labels
Roll / Pack Total:$168.99 USD
Normalized Unit Cost:$0.11/label
Material Area Cost:$0.04/sq in
Supported Hardware:
BBP11BBP12THT 1" Core Printers
Grainger
#3 High Capacity
Standard Part
A55-12-425
3 in H x 1 in W
Roll of 1700 Labels
Roll / Pack Total:$392.99 USD
Normalized Unit Cost:$0.23/label
Material Area Cost:$0.08/sq in
Supported Hardware:
A5500
All 13 Orderable Part Numbers
Pricing: $35.69 – $516.99 USD
Catalog SKUDimensionsPackaging / QtyList Price & Unit CostOrder MOQCompatible PrintersHardware & Related
M5-01-425-FTPopular
UPC: 888434592878
1.575 in H x 1.181 in WCartridge of 200 Labels
$35.69 USD
$0.18/label ($17.84/100)
$0.10/sq in
1 CTR
Standard Order
M510M511
THT-18-425-1.5-SCPopular
UPC: 662820921042
1 in H x 3 in WRoll of 1500 Labels
$168.99 USD
$0.11/label ($11.27/100)
$0.04/sq in
1 ROL
Standard Order
BBP11BBP12+1
A55-12-425Popular
UPC: 888434554777
3 in H x 1 in WRoll of 1700 Labels
$392.99 USD
$0.23/label ($23.12/100)
$0.08/sq in
1 ROL
Standard Order
A5500
M7-1-425-FTPopular
UPC: 888434588284
0.788 in H x 1.18 in WRoll of 250 Labels
$41.69 USD
$0.17/label ($16.68/100)
$0.18/sq in
1 ROL
Standard Order
M710
THT-18-425-3
UPC: 662820313236
1 in H x 3 in WRoll of 3000 Labels
$234.99 USD
$0.078/label ($7.83/100)
$0.03/sq in
1 ROL
Standard Order
BBP81i5100+6
THT-19-425-1
UPC: 662820313281
2 in H x 3 in WRoll of 1000 Labels
$163.99 USD
$0.16/label ($16.40/100)
$0.03/sq in
1 ROL
Standard Order
BBP81i5100+6
B33-53-425
UPC: 888434563328
0.5 in H x 2 in WRoll of 2000 Labels
$111.99 USD
$0.056/label ($5.60/100)
$0.06/sq in
1 ROL
Standard Order
i3300i5300+2
B33-7-425
UPC: 888434563342
1.25 in H x 2.75 in WRoll of 1000 Labels
$91.99 USD
$0.092/label ($9.20/100)
$0.03/sq in
1 ROL
Standard Order
i3300i5300+2
B33-6-425
UPC: 888434563335
0.75 in H x 1.5 in WRoll of 3300 Labels
$182.99 USD
$0.055/label ($5.55/100)
$0.05/sq in
1 ROL
Standard Order
i3300i5300+2
A55-13-425
UPC: 888434554784
2 in H x 2 in WRoll of 2500 Labels
$516.99 USD
$0.21/label ($20.68/100)
$0.05/sq in
1 ROL
Standard Order
A5500
A55-5-425
UPC: 888434554739
2.5 in H x 1.5 in WRoll of 2000 Labels
$413.99 USD
$0.21/label ($20.70/100)
$0.06/sq in
1 ROL
Standard Order
A5500
A55-2-425
UPC: 888434554708
1.5 in H x 1.5 in WRoll of 3300 Labels
$400.99 USD
$0.12/label ($12.15/100)
$0.05/sq in
1 ROL
Standard Order
A5500
A55-4-425
UPC: 888434554722
2.5 in H x 1 in WRoll of 2000 Labels
$388.99 USD
$0.19/label ($19.45/100)
$0.08/sq in
1 ROL
Standard Order
A5500

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: MH17154
UL Directory
CSA C22.2: 041833
CSA Directory
Halogen-Free per DIN VDE 0472 Part 815
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 long-term outdoor use
Sponsored Industrial Label Solutions
Industrial Label Printers & Materials
Relevant Technical Equipment & Consumables [Ad Slot spec-mid-B-425D]

ASTM Physical & Mechanical Properties

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

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
Methyl Ethyl KetoneSlight oozeSlight ooze
XyleneSlight oozeSlight ooze
TolueneSlight oozeSlight ooze
AcetoneNo visible effectNo visible effect
Mineral SpiritsNo visible effectNo visible effect
JP-8 Jet FuelNo visible effectNo visible effect
Brake FluidNo visible effectNo visible effect
SAE 20 wt Oil RTNo visible effectNo visible effect
SAE 20 wt Oil @ 70CNo visible effectNo visible effect
IRM 903 OilNo visible effectNo visible effect
Isopropyl AlcoholNo visible effectNo visible effect
Mil 5606 OilNo visible effectNo visible effect
Skydrol ® 500BNo visible effectNo visible effect
Formula 409 ®No visible effectNo visible effect
DI WaterNo visible effectNo visible effect
3% Alconox ®No visible effectNo visible effect
Northwoods ™ Buzz Saw DegreaserNo visible effect to adhesive, topcoat removed with rubNo visible effect to adhesive, topcoat removed with rub
Super Agitene ®No visible effectNo visible effect
Methyl Ethyl KetoneTestedTested
XyleneTestedTested
TolueneTestedTested
AcetoneTestedTested
Mineral SpiritsTestedTested
JP-8 Jet FuelTestedTested
Brake FluidTestedTested
SAE 20 wt Oil (RT and @70C)TestedTested
IRM 903 OilTestedTested
Isopropyl AlcoholTestedTested
Mil 5606 OilTestedTested
Skydrol® 500BTestedTested
Formula 409®TestedTested
DI WaterTestedTested
3% Alconox®TestedTested
Northwoods™ Buzz Saw DegreaserTestedTested
Super Agitene®TestedTested
10% Sulfuric Acid SolutionTestedTested
10% Sodium Hydroxide SolutionTestedTested

Environmental & Aging Durability Testing

Environmental Exposure ConditionObservation & Legibility Result
425D Thermal Transfer Printable Polypropylene Label Stock - Material Spec (Brady B-425D) Material familyB-425D
425D is a thermal transfer printable polypropylene label stock with acrylic adhesive, suitable for labeling applications requiring solvent resistance and excellent print performance. ## Verified specifications - Material typeWhite polypropylene
Service temperature (min)-40 °C

Verified Target Applications & Use Cases

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