With the corona pen perpendicular to the plane of the film, add a suitable pressure and draw a line on the surface of the film. 1. Films that have been properly treated by corona are very evenly distributed. If they do not contain any beads, they indicate that the surface of the film is Dyne, which is higher than or equal to the index indicated on the Dyne pen. 48, 50, 52 (one empty pen + one bottle of 100ml test agent) / set 38, 40, 42 Dyne (single pen is filled with 50ml of test agent)
The original British Schumann imported corona pens have 38, 40, 42, 48, 50, 52 or more test pens with different tensions. They can accurately test whether the surface tension of the plastic film reaches the value of the test pen. The user can clearly understand whether the film is suitable for printing, compounding or vacuum aluminum plating, etc., thereby effectively controlling the quality and reducing the loss caused by the unqualified material.
A Dyne pen with a smaller range is easier to draw on a straight line, so it does not need much pressure; and Dyne pens for 40, 42, and 44 need to add a little pressure when drawing a line.
2. Films that do not have proper corona treatment will slowly shrink if they draw, indicating that the surface of the film is Dyne, which is lower than the index indicated on the Dyne pen.
3. If the film without corona treatment shrinks immediately and the beads are formed, the surface of the film is Dyne, which is extremely lower than the index indicated by the Dyne Pen.
The refillable and recyclable spring-piston flow-path seal pen holder has a long shelf life and is free from contamination.
One-time use of the spring piston seal pen cover, long shelf life, free from contamination.
Using Dyne Pen to Test the Surface Tension of Films
Dyne pen: also known as corona pen or plastic film surface tension detection pen. It is a testing tool for film surface corona (dyne), which is specially used to measure the effect of corona treatment of a film.