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MELINEX® ST504 Product Description Typical Properties Contact Info Melinex® ST504 is a crystal clear, high gloss, heat stabilized polyeser film based on Melinex® 504. It can be overprinted with a wide range of solvent-based graphic inks and varnishes, silver conductive and dielectric inks. It is ideally suited for graphic and certain circuitry layers in membrane touch switches. Melinex® ST504 is pretreated on one side to promote adhesion. Available Thickness [Gauge]500; 700 Property Thickness Value Units TestELECTRICAL Dielectric Constant 2.9 ASTM D150 Dielectric Strength 3,000 volts/mil ASTM D149 Surface Resistivity 10^13 Ohms/sq ASTM D257 Volume Resistivity 10^17 Ohms-cm ASTM D257 OPTICAL Gloss 60 Degrees 500 140 ASTM D1003 Gloss 60 Degrees 700 140 ASTM D1003 Haze 500 <2.0 % ASTM D1003 Haze 700 <2.5 % ASTM D1003 TLT 500 >85 % ASTM D1003 TLT 700 >85 % ASTM D1003 PHYSICAL C.O.F. (static) <0.6 ASTM D1894 Flexural Strength 500 >20,000 cycles ASTM D2176 Flexural Strength 700 >15,000 cycles ASTM D2176 THERMAL Coefficient of Hygroscopic Expansion 7X10^-6 per % RH 40% - 80% RH Coefficient of Thermal Expansion 10X10^-6 in/in/°F (68 - 122 °F) Melting Point 265 °C Shrinkage MD (150°C) 500 - 700 0.15 % Unrestrained @ 150°C/30 min Shrinkage TD (150°C) 500 - 700 0.15 % Unrestrained @ 150°C/30 min DuPont Teijin Films U.S. Limited Partnership 1 Discovery Drive P.O. Box 411 Hopewell, VA 23860 USA Tel: (800) 635-4639 Fax: (804) 530-9867 Page 1 of 2Datasheet9/5/2008https://www.dupontteijinfilms.com/FilmEnterprise/Datasheet.asp?Result=Print&ID=269&V...Disclaimer Note: These values are typical performance data for DuPont Teijin Films' polyester film; they are not intended to be used as design data. We believe this information is the best currently available on the subject. It is offered as a possible helpful suggestion in experimentation you may care to undertake along these lines. It is subject to revision as additional knowledge and experience is gained. DuPont Teijin Films makes no guarantee of results and assumes noobligation or liability whatsoever in connection with this information. This publication is not a license to operate under, or intended to suggest infringement of, any existing patents. CAUTION: Do not use in medical applications involving permanent implantation in the human body (DuPont Teijin Films Medical Policy). For other medical applications, see the Medical Caution Statement. DuPont Teijin Films accepts no liability for use of it's products in medical applications not reviewed and approved by DuPont Teijin Films or for product misuse. DuPont Teijin Films supplies products to an agreed specification and does not manufacture products designed specifically for medical end use. Melinex®, Mylar® and Melinex® STTM are registered trademarks of DuPont Teijin Films U.S. Limited Partnership. Teijin® and Tetoron® are registered trademarks of Teijin Limited used under license by DuPont Teijin Films U.S. Limited Partnership. Teonex® is a registered trademark of Teijin DuPont Films Japan Limited and is used under license by DuPont Teijin Films U.S. Limited Partnership. Page 2 of


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CORNELL MSE 5420 - MELINEX

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