BRADY B-427 Manual
Summary
Achieve durable wire and cable identification with this translucent vinyl thermal transfer tape. Engineered for industrial use, B-427 offers superior adhesion, outstanding water/oil resistance, and excellent conformability. The accompanying data sheet provides technical specifications on physical properties, chemical compatibility, and performance in extreme temperatures, ensuring regulatory compliance (UL recognized and RoHS compliant). This resource is essential for professionals selecting reliable, long-lasting labeling solutions for challenging environments.
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Technical Data Sheet
BRADY B-427 THERMAL TRANSFER PRINTABLE TRANSLUCENT VINYL TAPE TDS No. B-427 Effective Date: 08-Jul-2008
Description: GENERAL Print Technology: Thermal Transfer Material Type: Translucent vinyl Finish: Provided in a self-laminated format with a white printable zone and a translucent overlaminating area. Adhesive: Permanent acrylic
APPLICATIONS B-427 is an excellent material for wire and cable identification. This material has good clarity, conformability and is self-extinguishing. B-427 has outstanding water and oil resistance.
RECOMMENDED RIBBONS Brady Series R4300 black and R4500 colored (red, blue, green) for thermal transfer printing.
REGULATORY/AGENCY APPROVALS B-427 is UL Recognized to UL969 Labeling and Marking Standard when printed with the Brady Series R4300 and R6200 ribbons. See UL files MH17154 for specific details.
B-427 is Ro HS compliant to 2005/618/EC MCV amendment to Ro HS Directive 2002/95/EC.
Note- Due to past non-compliant B-427 materials in the market, only B-427 products with Ro HS compliance statement on product packaging are Ro HS compliant.
Details:
PHYSICAL PROPERTIES TEST METHODS AVERAGE RESULTS Thickness ASTM D 1000
-Total Thickness 0.0040 inch (0.102 mm)
Adhesion to: ASTM D 1000
-Stainless Steel 20 minute dwell 38 oz/in (42 N/100 mm) 24 hour dwell 49 oz/in (54 N/100 mm)
-Polypropylene 20 minute dwell 25 oz/in (28 N/100 mm)
24 hour dwell 33 oz/in (36 N/100 mm)
Tack ASTM D 2979
Polyken™ Probe Tack 13.3 oz (378 g) (1 second dwell, 1 cm/sec separation)
Drop Shear PSTC-7 (except use 1/2" x 1" 3.3 hours
sample)
Tensile Strength and Elongation ASTM D 1000
-Machine 12 lbs/in (210 N/100 mm), 152% -Cross 11 lbs/in (193 N/100 mm), 195%
Flammability ASTM D 1000 ABT less than 10 seconds
Average Burn Time
Performance properties tested with white printable zone of B-427 printed with Brady Series R4300 black thermal transfer ribbon. Samples wrapped around 0.080” OD TFE wire in a self-laminating format.
PERFORMANCE TEST METHODS TYPICAL RESULTS PROPERTIES High Service Temperature 30 days at 158°F (70°C) Slight discoloration. No visible
effect at 140°F (60°C)
Low Service Temperature 30 days at -40°F (-40°C) No visible effect Humidity Resistance 30 days at 100°F (37°C), 95% No visible effect
Weatherability ASTM G 155, Cycle 1 No visible effect
22/10/2009http://www.bradyid.com/bradyid/domino/content View.do?display=printer Friendly&url=http:/...
Page Summary Contents For BRADY B-427 Manual
Manual Details
| Brand | Brady |
|---|---|
| Pages | 3 |
| File Size | 55.44 KB |
| Published | May 16, 2026 |
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Frequently Asked Questions
What is the recommended ribbon for printing on B-427?
Brady recommends the Series R4300 black or R4500 colored ribbons for thermal transfer printing.
Is B-427 water and oil resistant?
Yes, B-427 has outstanding resistance to both water and oil.
What solvents should I avoid using with B-427?
Do not use harsh organic solvents like methyl ethyl ketone, acetone, or 1,1,1-trichloroethane.
How durable is B-427 in different environments?
It shows no visible effect after high/low service temperatures and humidity testing results.