Brady B-425Alabel_film_tape12 Orderable SKUs
B-425A THERMAL TRANSFER PRINTABLE POLYPROPYLENE LABEL STOCK
Brady B-425A is a thermal transfer printable polypropylene label stock with acrylic adhesive, offering excellent solvent resistance and print performance.
Material Composition
White polypropylene
Adhesive System
Acrylic
Operating Temperature
-40°C to 160°C (-40°F to 320°F)
Total Thickness
—
Industrial Safety & Asset Marker
B-425A Application & Installation Blueprint
Heavy-Duty Industrial Safety & Identification Marker • Physical application tolerances and surface engineering
Industrial Fit Certified
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-425A.
Popular B-425A Formats
Standard industrial rolls and die-cut sizes with unit cost breakdown#1 Popular Choice
Standard Part
THT-5-425-10
0.5 in H x 1 in W
Roll of 10000 Labels
Roll / Pack Total:$192.99 USD
Normalized Unit Cost:$0.019/label
Material Area Cost:$0.04/sq in
Supported Hardware:
BBP81i5100i6100+5
#2 Standard Format
Standard Part
M6-54-425-FT
1.5 in H x 1.6 in W
Roll of 100 Labels
Roll / Pack Total:$41.19 USD
Normalized Unit Cost:$0.41/label
Material Area Cost:$0.17/sq in
Supported Hardware:
M610M611M710 (with media adapter)
#3 High Capacity
Standard Part
B33-17-425
1 in H x 2 in W
Cartridge of 1500 Labels
Roll / Pack Total:$91.99 USD
Normalized Unit Cost:$0.061/label
Material Area Cost:$0.03/sq in
Supported Hardware:
BBP33i3300i5300+1
All 12 Orderable Part Numbers
Pricing: $30.99 – $679.99 USD
| Catalog SKU | Dimensions | Packaging / Qty | List Price & Unit Cost | Order MOQ | Compatible Printers | Hardware & Related |
|---|---|---|---|---|---|---|
THT-5-425-10Popular UPC: 662820313205 | 0.5 in H x 1 in W | Roll of 10000 Labels | $192.99 USD $0.019/label ($1.93/100) $0.04/sq in | 1 ROL Standard Order | BBP81i5100+6 | |
M6-54-425-FTPopular UPC: 888434598795 | 1.5 in H x 1.6 in W | Roll of 100 Labels | $41.19 USD $0.41/label ($41.19/100) $0.17/sq in | 1 ROL Standard Order | M610M611+1 | |
B33-17-425Popular UPC: 662820967316 | 1 in H x 2 in W | Cartridge of 1500 Labels | $91.99 USD $0.061/label ($6.13/100) $0.03/sq in | 1 ROL Standard Order | BBP33i3300+2 | |
M4-1-425-FPPopular UPC: 888434628638 | 1.18 in H x 0.788 in W | Cartridge of 120 Tags | $30.99 USD $0.26/label ($25.82/100) $0.28/sq in | 1 CTR Standard Order | M410M510+1 | |
THT-55-425-1 UPC: 662820313267 | 2 in H x 4 in W | Roll of 1000 Labels | $207.99 USD $0.21/label ($20.80/100) $0.03/sq in | 1 ROL Standard Order | BBP81i5100+6 | |
B33-76-425 UPC: 888434563366 | 3 in H x 4 in W | Roll of 400 Labels | $130.99 USD $0.33/label ($32.75/100) $0.03/sq in | 1 ROL Standard Order | i3300i5300+2 | |
B33-18-425 UPC: 662820967323 | 1 in H x 3 in W | Cartridge of 1500 Labels | $116.99 USD $0.078/label ($7.80/100) $0.03/sq in | 1 ROL Standard Order | BBP33i3300+2 | |
M7-1-425-FPPopular UPC: 888434588291 | 0.788 in H x 1.18 in W | Roll of 250 Labels | $41.69 USD $0.17/label ($16.68/100) $0.18/sq in | 1 ROL Standard Order | M710 | |
M7-54-425-FT UPC: 888434605851 | 1.57 in H x 1.49 in W | Roll of 100 Labels | $68.99 USD $0.69/label ($68.99/100) $0.29/sq in | 1 ROL Standard Order | M710 | |
B33-55-425 UPC: 888434563359 | 2 in H x 4 in W | Roll of 600 Labels | $122.99 USD $0.20/label ($20.50/100) $0.03/sq in | 1 ROL Standard Order | i3300i5300+2 | |
A55-7-425 UPC: 888434554753 | 3 in H x 2 in W | Roll of 1700 Labels | $679.99 USD $0.40/label ($40.00/100) $0.07/sq in | 1 ROL Standard Order | A5500 | |
THT-7-425-3 UPC: 662820313212 | 1.25 in H x 2.75 in W | Roll of 3000 Labels | $278.99 USD $0.093/label ($9.30/100) $0.03/sq in | 1 ROL Standard Order | BBP81i5100+6 |
Quality Assurance, Storage & Regulatory Compliance
Standardized engineering guidelines for warehouse storage, application temperature, and agency certifications.
Shelf Life & Warehouse Storage
Expected Shelf Life: 2 Years 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 160°C (-40°F to 320°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 DirectoryCSA C22.2: 041833
CSA DirectoryEnvironmental & 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
- not recommended for long -term outdooruse
Sponsored Industrial Label Solutions
Industrial Label Printers & Materials
Relevant Technical Equipment & Consumables [Ad Slot spec-mid-B-425A]
ASTM Physical & Mechanical Properties
Standardized laboratory test data measured in accordance with ASTM D 1000, ASTM D 2979, and ASTM D 2671.
Thermal Transfer Ribbon Compatibility
Official Brady recommended ribbons engineered for maximum contrast, smear resistance, and UL certification compliance.
Recommended Thermal Transfer
Series R4300
Series R4500
Series R6200
Series R6400
* 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 | Moderate ooze | Moderate ooze |
| Xylene | Severe ooze | Severe ooze |
| Toluene | No visible effect | No visible effect |
| Acetone | No visible effect | No visible effect |
| Mineral Spirits | Slight ooze | Slight ooze |
| JP-8 Jet Fuel | Moderate ooze | Moderate ooze |
| Brake Fluid | No visible effect | No visible effect |
| SAE 20 wt Oil RT | No visible effect | No visible effect |
| SAE 20 wt Oil @ 70C | No visible effect | No visible effect |
| ASTM #3 Oil | No visible effect | No visible effect |
| Isopropyl Alcohol | Slight ooze | Slight ooze |
| Mil 5606 Oil | No visible effect | No visible effect |
| Skydrol®500B | No visible effect | No visible effect |
| Formula 409® | No visible effect | No visible effect |
| DI Water | No visible effect | No visible effect |
| 13% Alconox® | No visible effect | No visible effect |
| Northwoods™BuzzSaw Degreaser | No visible effect | No visible effect |
| Super Agitene® | No visible effect | No visible effect |
| 10% Sodium Hydroxide Solution | No visible effect | No visible effect |
| Mineral Spirits | Tested | Tested |
| JP-8 Jet Fuel | Tested | Tested |
| Brake Fluid | Tested | Tested |
| SAE 20 wt Oil RT | Tested | Tested |
| ASTM #3 Oil | Tested | Tested |
| Isopropyl Alcohol | Tested | Tested |
| Mil 5606 Oil | Tested | Tested |
| Skydrol®500B | Tested | Tested |
| Formula 409® | Tested | Tested |
| DI Water | Tested | Tested |
| 3% Alconox® | Tested | Tested |
| Northwoods™ BuzzSaw Degreaser | Tested | Tested |
| Super Agitene® | Tested | Tested |
Environmental & Aging Durability Testing
| Environmental Exposure Condition | Observation & Legibility Result |
|---|---|
| 425A THERMAL TRANSFER PRINTABLE POLYPROPYLENE LABEL STOCK - Material Spec (Brady B-425A) Material family | B-425A |
| 425A is a thermal transfer printable polypropylene label stock with acrylic adhesive, offering excellent solvent resistance and print performance. ## Verified specifications - Material type | White polypropylene |
| Service temperature | -40 to 160 °C |
Verified Target Applications & Use Cases
- Industrial rating plates, asset identification, and electrical component labeling.