Corona Test pen


The Corona Test Pen is used to test surface tension/surface energy. MADE IN GERMANY 🇩🇪


Always get perfect prints with 4Flexo Corona Test pens! Our high-quality pens ensure that the surface energy of the substrate is optimized for excellent ink adhesion. Don’t settle for poor quality prints.

Check whether the polyolefin treatment has left any traces on the material.

  • extremely easy to handle
  • ideal for quick checks on polyolefins
  • no cleaning necessary, long-lasting visualization of the result
  • good readability thanks to the striking red color