BEYOLEX™

Stretching the future of electronic materials.

BEYOLEX™ Thermosetting Stretchable Film

electronic materials beyolex TM logo

This novel polymer substrate is designed for flexible, stretchable, conformable and pliable printed electronics applications. It is a unique material based on a proprietary, thermoset, non-silicone polymer system which provides outstanding performance.

Features and benefits

electronic materials beyolex sheets
  • Good elongation
  • Ultra low hysteresis
  • High temperature resistance
  • High environmental stability
  • Compatible with wide variety of functional inks

Typical printed electronic applications

  • Sensors
  • Health and wellness
  • Automotive
  • Aerospace
  • Structural electronics

Typical properties

Properties Test method * Unit BEYOLEXTM
Elongation Initial ASTM D822 % > 200
Aft. High Temp. and High Humid. test ** > 200
Aft. Heat cycle *** > 200
Modulus @ 50% strain Initial ASTM D822 MPa < 2.5
Aft. High Temp. and High Humid. test ** < 2.5
Aft. Heat cycle *** < 2.5
Hysteresis Initial Panasonic Original % < 0.1
Aft. High Temp. and High Humid. test ** < 0.1
Aft. Heat cycle *** < 0.1
Heat resistance   TG/DTA (@Air) 5% weight loss °C 302
Breakdown voltage   IEC 60243-1 KV/mm 98
Dielectric Property (Dk/Df)   IPC TM650 2.5.5.10 @ 10GHz 2,8 / 0,052
@ 2 GHz 3,3 / 0,073
Transparency     % > 90
Stretch cycle   50% stretch cycle > 10000

* Measurements are compliant with the standards other than Panasonic’s original test
** Test Condition: 85°C / 85% RH / 1000h
*** Test Condition: -55°C (5 min) ↔ 125°C (5 min) / 1000 cycles

The values are representative measured properties and not specifications or guarantees of performance.

Demo Videos

Color LED array video:

  • Wiring does not break when bent or stretched
  • And it returns to its original state.

NFC energy harvesting video:

  • In addition to stretching and shrinking, immersion in water does not cause functional problems.

Production cooperation with Printed Electronics Ltd.