Membrane Touch Switches

DuPont Teijin Films manufactures PET and PEN polyester films that are ideally suited for use in a wide range of Membrane Touch Switch (MTS) applications:

• For use as circuitry, graphics or spacer layers
• For coating with textured and hardcoats
• For applications including automotive seat sensors, industrial and domestic equipment, keyboards, mobile phones and many others

The DuPont Teijin Films range of Mylar® and Melinex® PET polyester films offers many significant advantages and benefits to the MTS industry:

• Excellent electrical properties
• Long flex life
• A range of visual effects from superb optical clarity to white pigmented films
• Pretreatments for enhanced adhesion of inks and coating lacquers
• A range of dimensional stabilities including heat stabilised films with very low residual shrinkage and market-leading flatness for excellent print registration
• Can be embossed
• Ease of handlability

For more demanding applications DuPont Teijin Films' range of Teonex® PEN polyester films offer increased performance:

• Superior thermal and hydrolytic stability compared to standard PETs
• Improved barrier properties
• Can be used in selected soldering processes
• Higher modulus
• More temperature-resistant embossing
• Greater dimensional stability and higher barrier properties for cutting edge flexible electronics applications