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
3 mils (0.003 in)
0.076 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
Solution A
1 part isopropyl alcohol, 3 parts mineral spirits
1 part isopropyl alcohol, 3 parts mineral spirits
Solution C
BIOACT EC-7R terpene defluxer
BIOACT EC-7R terpene defluxer
Solution D
42 parts water, 1 part propylene glycol monomethylether, 1 part monoethanolamine at 70°C
42 parts water, 1 part propylene glycol monomethylether, 1 part monoethanolamine at 70°C
Solution A
Tested
Tested
Solution C
Tested
Tested
Solution D
Tested
Tested
Environmental & Aging Durability Testing
Environmental Exposure Condition
Observation & Legibility Result
349 cable markers are designed for wire identification in high temperature environments and are RoHS compliant.
## Verified specifications
- Material type
Polyvinylidene fluoride
Service temperature
-55 to 200 °C
Verified Target Applications & Use Cases
Industrial rating plates, asset identification, and electrical component labeling.
Verified technical answers on physical adhesion, temperature thresholds, ribbon pairings, and replacement standards for B-349.
Brady B-349 is a high-performance Polyvinylidene fluoride designed specifically for rating plates, asset tags, and industrial equipment identification. It features a Specialty adhesive engineered for long-term industrial reliability in environments requiring -55°C to 200°C (-67°F to 392°F) performance.
Brady B-349 is rated for continuous service temperatures from -55°C to 200°C (-67°F to 392°F). In laboratory heat-aging tests, it maintains dimensional stability and barcode contrast across broad thermal cycles.
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