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Technical Data Sheet

BRADY B-542 HIGH TEMPERATURE CREPE PAPER

TDS No. B-542
Effective Date: 09-Dec-1999

Description:
Brady B-542 masking tape is a tan colored saturated crepe paper with a removable rubber based pressure sensitive adhesive.

Brady B-542 is used primarily as a solder dip mask or in other making applications where high temperatures are present.

Brady B-542 has good conformability, has very good resistance to heat, and removes cleanly without adhesive residue from most surfaces.


Details:


PHYSICAL PROPERTIES
TEST METHODS
AVERAGE RESULTS
ThicknessASTM D 1000
-Total
0.0075 inch (0.191 mm)
Adhesion to:
-Stainless Steel


-Textured ABS


-Polypropylene		ASTM D 1000
20 minute dwell
24 hour dwell

20 minute dwell
24 hour dwell

20 minute dwell
24 hour dwell
38 oz/in (42 N/100 mm)
41oz/in (45 N/100 mm)

29 oz/in (36 N/100 mm)
30 oz/in (38 N/100 mm)

33 oz/in (32 N/100 mm)
35 oz/in (33 N/100 mm)
TackASTM D 2979
Polyken™ Probe Tack
1 second dwell
16.4 oz (465 g)
Tensile Strength and ElongationASTM D 1000
-Machine Direction
-Cross Direction
20 lbs/in (350 N/100 mm), 6%
10 lbs/in (175 N/100 mm), 8%
Application TemperatureLowest application temperature to stainless steel
50°F (10°C)

B-542 samples tested for Performance Properties were applied to stainless steel and phenolic panels and allowed to dwell 24 hours at room temperature prior to testing.

PERFORMANCE PROPERTIES
TEST METHODS
TYPICAL RESULTS
Short Term High Service Temperature2 hours at: 293°F (145°C) Very slight discoloration of tape. Removed cleanly from stainless steel and phenolic without adhesive residue.
Short Term Low Service Temperature2 hours at: -40°F (-40°C)No visible effect
Long Term High Service Temperature30 days at: 122°F (50°C) No visible effect to tape. Removed cleanly from stainless steel and phenolic without adhesive residue. Some adhesive residue at 30 day temperatures greater than 175°F (80°C ).
Long Term Low Service Temperature30 days at: -40°F (-40°C)No visible effect
Humidity Resistance30 days at 100°F (37°C), 95% R.H.No visible effect to tape. Removed cleanly from stainless steel and phenolic without adhesive residue.
UV Light Resistance30 days in UV Sunlighter™ 100Tape discolored and embrittled, and is no longer removable. B-542 is not recommended for outdoor applications.

Product testing, customer feedback, and history of similar products, support a customer performance expectation of at least one year from the date of receipt for this product as long as this product is stored in its original packaging in an environment below 80 degrees F and 60% RH . We are confident that our product will perform well beyond this time frame. However, it remains the responsibility of the user to assess the risk of using such product. We encourage customers to develop functional testing protocols that will qualify a product's fitness for use, in their actual application.





Trademarks:
Polyken™ is a trademark of Testing Machines Inc.
Sunlighter™ is a trademark of the Test Lab Apparatus Company
ASTM: American Society for Testing and Materials (U.S.A.)
All S.I. Units (metric) are mathematically derived from the U.S. Conventional
Units.

Note: All values shown are averages and should not be used for specification purposes.
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 2007 Brady Worldwide, Inc. | All Rights Reserved
Material may not be reproduced or distributed in any form without written permission.

Brady North America | 6555 W. Good Hope Rd | Milwaukee, WI 53223 | USA | Tel: 414-358-6600 | Fax: 800-292-2289
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Copyright 2008 Brady Worldwide, Inc.