
Technical Data Sheet
ASTM D 1000
-Substrate
-Adhesive
-Total
0.0034 inch (0.086 mm)
0.0010 inch (0.026 mm)
0.0044 inch (0.112 mm)
Adhesion to:
-Stainless Steel
-Polypropylene
ASTM D 1000
20 minute dwell
24 hour dwell
20 minute dwell
24 hour dwell
30 oz/in (33 N/100 mm)
40 oz/in (43 N/100 mm)
12 oz/in (13 N/100 mm)
20 oz/in (22 N/100 mm)
ASTM D 2979
Polyken
TM
Probe Tack
1 Second dwell
BRADY B-428 THERMAL TRANSFER PRINTABLE METALLIZED POLYESTER LABEL STOCK
TDS No. B-428
Effective Date: 06/05/2014
Description:
GENERAL
Print Technology: Thermal Transfer
Material Type: Metallized Polyester (3 mil film)
Finish: Matte, light gray appearance
Adhesive: Permanent Acrylic
APPLICATIONS
Designed for applications, like rating and serial plates, that utilize barcodes, alphanumerics, graphic symbols and logos and require
nameplate-like quality.
RECOMMENDED RIBBONS
Brady Series R4300
Brady Series R6200 (alternate)
REGULATORY/AGENCY APPROVALS
UL: B-428 is a UL Recognized Component when printed with the Brady Series R4300 Ribbon. See UL file MH17154 for specific
details. UL information can be accessed online at UL.com. Search in Certifications area.
CSA: B-428 is a CSA Accepted material when printed with the Brady Series R4300 Ribbon or R6200 Ribbon. See CSA
Acceptance Record LS 41833 for specific details. CSA information can be accessed online at directories.csa-international.org.
DIN VDE 0472 Part 815: Brady B-428 meets the requirements of a halogen-free material per DIN VDE 0472 part 815.
(Statement based on review of product construction and confirmatory halogen content test run at an independent test laboratory.)
Brady B-428 is RoHS compliant to 2005/618/EC MCV amendment to RoHS Directive 2002/95/EC.
SPECIAL FEATURES
B-428 is designed to withstand numerous solvents and variable temperatures when applied to various surfaces.
Details:
Performance properties tested on printed B-428 labels laminated to aluminum panels. Samples thermal transfer printed with
alphanumerics, and 5 mil and 10 mil minimum X dimension barcodes using a Series R4300 ribbon and a BradyPrinter
203 Thermal Transfer Printer.
TM
THT Model

30 days at various temperatures
No visible effect to label at 248°F
(120°C), Slight discoloration at 293°F
(145°C), Moderate discoloration at
320°F
(160°C), but label is still functional
30 days at 100°F (37°C), 95% R.H.
30 days in UV Sunlighter
TM
100
ASTM G155, Cycle 1
30 days in Xenon Arc Weatherometer
No visible effect PERFORMANCE PROPERTY
Samples printed with a Series R4300 black ribbon and a Series R6200 black ribbon using a BradyPrinter
SUBJECTIVE OBSERVATION OF VISUAL CHANGE (R4300 RIBBON)
10% Sulfuric Acid Solution
TM
THT Model 203 Thermal
Transfer Printer. Test was conducted at room temperature after 24 hour dwell. Testing consisted of 5 cycles of 10 minute
immersions in the specified chemical reagent followed by 30 minute recovery periods. After final immersion, samples rubbed 10
times with cotton swab saturated with test fluid.

10% Sodium Hydroxide Solution
SUBJECTIVE OBSERVATION OF VISUAL CHANGE (R4300 RIBBON)
10% Sulfuric Acid Solution
10% Sodium Hydroxide Solution
Shelf Life:
Two years when stored in its original packaging in an environment below 80°F (27°C) and 60%RH.
Trademarks:
Alconox® is a registered trademark of Alconox Co.
BradyPrinter
Polyken
Skydrol® is a registered trademark of the Monsanto Company
Sunlighter
Super Agitene® is a registered trademark of Graymills Corporation
ASTM: American Society for Testing and Materials (U.S.A.)
CSA: Canadian Standards Association
PSTC: Pressure Sensitive Tape Council (U.S.A.)
SAE: Society of Automotive Engineers (U.S.A.)
UL: Underwriters Laboratories INc. (U.S.A.)
All S.I. units are mathematically derived from the U.S. conventional units
Note: All values shown are averages and should not be used for specification purposes.
TM
is a trademark of Brady Worldwide, Inc.
TM
is a trademark of Testing Machines Inc.
TM
is a trademark of the Test Lab Apparatus Company

Test data and test results contained in this document are for general information only and shall not be relied upon by Brady customers for designs
and specifications, or be relied on as meeting specified performance criteria. Customers desiring to develop specifications or performance criteria
for specific product applications should contact Brady for further information.
Product compliance information is based upon information provided by suppliers of the raw materials used by Brady to manufacture this product or
based on results of testing using recognized analytical methods performed by a third party, independent laboratory. As such, Brady makes no
independent representations or warranties, express or implied, and assumes no liability in connection with the use of this information.
WARRANTY
Brady products are sold with the understanding that the buyers will test them in actual use and determine for themselves their adaptability to their
intended uses. Brady warrants to the buyers that its products are free from defects in material and workmanship, but limits its obligation under this
warranty to replacement of the product shown to Brady’s satisfaction to have been defective at the time Brady sold it. This warranty does not extend
to any persons obtaining the product from the buyers. This warranty is in lieu of any other warranty, express or implied, including, but not limited to,
any implied warranty of merchantability or fitness for a particular purpose, and of any other obligations or liability on Brady’s part. Under no
circumstances will Brady be liable for any loss, damage, expense, or consequential damages of any kind arising in connection with the use, or
inability to use, Brady’s products.
Copyright 2017 Brady Worldwide, Inc. All Rights Reserved
Material may not be reproduced or distributed in any form without written permission.
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