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603 Verified Technical Specifications
HomeB-Numbers DirectoryB-350
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Industrial Label Printers & Materials
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Brady B-350label_film_tape3 Orderable SKUs
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B-350AquALERT(TM)ThermalTransferPrintableWaterIndicatingPolyester/PaperLaminateLabels

B-350 is a thermal transfer printable water indicating polyester/paper laminate label stock designed to permanently change color when exposed to water-based solutions.

Material Composition
WaterIndicatingPolyester/PaperLaminate
Adhesive System
Acrylic
Operating Temperature
Up to 120°C
Total Thickness
Industrial Safety & Asset Marker

B-350 Application & Installation Blueprint

Heavy-Duty Industrial Safety & Identification Marker • Physical application tolerances and surface engineering
Industrial Fit Certified
B-350 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-350.

Popular B-350 Formats

Standard industrial rolls and die-cut sizes with unit cost breakdown
#1 Popular Choice
Standard Part
WIL-1-350-20
0.16 in Dia
Roll of 20000 Labels
Roll / Pack Total:$676.99 USD
Normalized Unit Cost:$0.034/label
#2 Standard Format
Standard Part
WIL-1-350-5
0.16 in Dia
Roll of 5000 Labels
Roll / Pack Total:$202.99 USD
Normalized Unit Cost:$0.041/label
Grainger
#3 High Capacity
Standard Part
THT-70-350-20
0.25 in H x 0.25 in W
Roll of 20000 Labels
Roll / Pack Total:$1349.00 USD
Normalized Unit Cost:$0.067/label
Material Area Cost:$1.08/sq in
Supported Hardware:
BBP81i5100i6100+5
Grainger
All 3 Orderable Part Numbers
Pricing: $202.99 – $1349.00 USD
Catalog SKUDimensionsPackaging / QtyList Price & Unit CostOrder MOQCompatible PrintersHardware & Related
WIL-1-350-20
UPC: 662820809081
0.16 in DiaRoll of 20000 Labels
$676.99 USD
$0.034/label ($3.38/100)
1 ROL
Standard Order
WIL-1-350-5
UPC: 662820809074
0.16 in DiaRoll of 5000 Labels
$202.99 USD
$0.041/label ($4.06/100)
1 ROL
Standard Order
THT-70-350-20
UPC: 662820809104
0.25 in H x 0.25 in WRoll of 20000 Labels
$1349.00 USD
$0.067/label ($6.74/100)
$1.08/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: 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: 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.
Sponsored Industrial Label Solutions
Industrial Label Printers & Materials
Relevant Technical Equipment & Consumables [Ad Slot spec-mid-B-350]

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)
Polyken™ Probe TackASTM D 297935 oz1000 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 / SolventSubstrate / Adhesive EffectThermal Ribbon Permanence
WindowCleanerwithAmmoniaTestedTested
BeerTestedTested
CocaCola®TestedTested
BlackCoffeeTestedTested
TapWaterTestedTested
DeionizedWaterTestedTested

Environmental & Aging Durability Testing

Environmental Exposure ConditionObservation & Legibility Result
350 is a thermal transfer printable water indicating polyester/paper laminate label stock designed to permanently change color when exposed to water-based solutions. ## Verified specifications - Material typeWaterIndicatingPolyester/PaperLaminate
Service temperature (max)120 °C

Verified Target Applications & Use Cases

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