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	Technical Data Sheet

BRADY B-497 MATTE WHITE LOW PROFILE THERMAL TRANSFER PRINTABLE POLYIMIDE LABEL STOCK

TDS No. B-497

Effective Date: 29-Jun-2011

Description:

GENERAL
Print Technology: Thermal Transfer
Material Type: White Polyimide (1 mil film)
Finish: Matte
Adhesive: Permanent Acrylic

APPLICATIONS
Printed circuit board and electronic component preprocess labeling

RECOMMENDED RIBBONS
Brady Series R6000

Brady Series R6000HF

REGULATORY/AGENCY APPROVALS

UL: B-497 is UL Recognized to UL969 Labeling and Marking Standard when printed with Brady Series R6000 and Series R6000HF ribbons. See UL file MH17154 for specific details. UL information can be accessed online at UL.com. Search in Certifications area.

Brady B-497 is RoHS compliant to 2005/618/EC MCV amendment to RoHS Directive 2002/95/EC.

SPECIAL FEATURES
B-497 has a low profile (1 mil) film, allowing for easier use in processes which demand thin and/or lighter weight label materials.

B-497 matte topcoat is designed to resist solder balls from sticking to the label after exposure to molten wave solder.

B-497 in combination with the Series R6000 and Series R6000HF ribbons, passes the requirements of MIL-STD-202G, Notice 12,

Method 215K.

Details:

PHYSICAL PROPERTIES	TEST METHODS	TYPICAL RESULTS
Thickness	ASTM D 1000 -Substrate -Adhesive -Total	0.0017 inch (0.043 mm) 0.0017 inch (0.043 mm) 0.0034 inch (0.086 mm)
Adhesion to: -Stainless Steel -Epoxy PC Board	ASTM D 1000 20 minute dwell 24 hour dwell 20 minute dwell 24 hour dwell	35 oz/in (39 N/100 mm) 50 oz/in (55 N/100 mm) 30 oz/in (33 N/100mm) 40 oz/in (44 N/100mm)
Tack	ASTM D 2979 Polyken™ Probe Tack 1 second dwell	31 oz (850 g)
Drop Shear	PSTC-7 (except use 1/2" x 1" sample)	> 100 hours
Flammability	ASTM D 1000 Average Burn Time	< 2 seconds
Dielectric Strength	ASTM D 1000	8500 volts

Performance properties tested on B-497 printed with Series R6000 and R6000HF thermal transfer ribbons. Printed samples of B-497 were laminated to aluminum and allowed to dwell 24 hours before exposure to the indicated environmental conditions.

PERFORMANCE PROPERTIES	TEST METHODS	TYPICAL RESULTS
Short Term High Service Temperature	80 seconds at 572°F (300°C)	No visible effect to label at 572°F (300°C), label discolors slightly at 608°F (320°C), but still functional, at 662°F (350°C) label still functional but moderately discolored and adhesive discolored at label edge; print is still legible.
	5 minutes at 500°F (260°C)	No visible effect to label at 260°C, label discolors slightly at 270°C, at 300°C label moderately discolors and adhesive discolors at label edge. Label remains functional.
	2 hours at 338°F (170°C)	No visible effect to label at 170°C, label discolors slightly at 190°C, moderately at 220°C, and severely at 260°C. Label remains functional.
Long Term High Service Temperature	1000 hours at 212°F (100°C)	No visible effect to label at 100°C, label discolors slightly at 120°C, moderately at 145°C. Label remains functional.
Low Service Temperature	1000 hours at -94°F (-70°C)	No visible effect
Humidity Resistance	1000 hours at 100°F (37°C), 95% R.H.	No visible effect
UV Light Resistance	1000 hours in UV Sunlighter™ 100	Topcoat turns light yellow, label remains functional
Weatherability*	ASTM G155, Cycle 1 1000 hours in Xenon Arc Weatherometer	Slight discoloration
Salt Fog Resistance	ASTM B 117 30 days in 5% salt fog solution chamber	No visible effect
Abrasion Resistance	Taber Abraser, CS-10 grinding wheels, 500 g/arm (Fed. Std. 191A, Method 5306)	Print legible after 100 cycles
Vapor Phase Resistance	Label adhered to epoxy PC board and exposed to: 2 minutes in Fluorinert™ FC-5312 vapor phase at 420°F (216°C)	No visible effect without rub, moderate to total print smear with rub R6000HF - Not Tested

*B-497 is not recommended for outdoor use.

PERFORMANCE PROPERTY

CHEMICAL RESISTANCE

Samples printed with Series R6000 and R6000HF thermal transfer ribbons. Labels printed with 3:1 ratio barcodes with 6 mil X dimension bars. Samples exposed to indicated environments.

CHEMICAL REAGENT	SUBJECTIVE OBSERVATION OF VISUAL CHANGE
	EFFECT TO LABEL	R6000		R6000HF
	EFFECT TO LABEL	WITHOUT RUB	WITH RUB	WITHOUT RUB	WITH RUB
BIOACT® EC-7R™ Terpene Cleaner, 40-45°C – 10 minutes	No visible effect	1	1	1	1
Alpha Metals 2110 Saponifier 6% aqueous, 65-70°C – 10 minutes	No visible effect	1	1	1	2
Isopropyl alcohol 99%, 82°C – 10 minutes	No visible effect	1		1
Kyzen Corp. Aquanox SSA™ 30% aqueous, 40-45°C – 10 minutes	No visible effect	1	1	1	1
Deionized Water 100°C – 10 minutes	No visible effect	1	1	1	1
Lenium ES Vapor phase – 10 minutes	No visible effect	1	4	1	4

Rating Scale:

1 = no visible effect

2 = slight smear or print removal, detectable but minimal smear

3 = moderate smear or print removal (print still legible)

4 = severe smear or print removal (print illegible or just barely legible)

5 = complete print removal

PERFORMANCE PROPERTY	TEST METHOD
Chemical Resistance	MIL-STD-202G, Notice 12, Method 215K

Samples printed with Series R6000 and R6000HF thermal transfer ribbons. Labels printed with alphanumerics and 3:1 ratio barcodes with 6 mil X dimension bars. Samples subjected to 3 cycles of 3 minute immersions immediately followed by a toothbrush rub after each immersion.

TEST FLUID	RESULTS R6000
Solvent A 1 part IPA, 3 parts Mineral Spirits	No visible effect
Solvent B 1,1,1-Trichloroethane	Solvent deleted per Notice 12
Solvent C Terpene Defluxer	No visible effect
Solvent D Saponifier @ 70°C	No visible effect

Product testing, customer feedback, and history of similar products, support a customer performance expectation of at least two years from the date of receipt for this product as long as this product is stored in its original packaging in an environment below 80°F (27°C) 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 applications.

Trademarks:
Aquanox SSA™ is a trademark of Kyzen Corporation
BIOACT® is a registered trademark of Petroferm, Inc.
BradyPrinter™ is a trademark of Brady Worldwide, Inc.
EC-7R™ is a trademark of Petroferm Inc.
Fluorinert™ is a trademark of the 3M Corporation
Intermec® is a registered trademark of the Intermec Corporation
Polyken™ is a trademark of Testing Machines Inc.
RE-ENTRY® is a registered trademark of Environsolv Inc.
Sunlighter™ is a trademark of the Test Lab Apparatus Company
TLS2200® is a registered trademark of Brady Worldwide, Inc.
AISI: American Iron and Steel Institute (U.S.A.)
ASTM: American Society for Testing and Materials (U.S.A.)
PSTC: Pressure Sensitive Tape Council (U.S.A.)
UL: Underwriters Laboratories Inc. (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.

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