NOTES

- Avoid direct sunlight at the stock pile

- The pens should remain closed as often as possible.

The 38 mN/m-test-pen is used for the fast recognition of treated surfaces. It is not suitable for the systematic measurement of the surface tension.

The examination should only be accomplished on cleaned, i.e. for the further processing prepared surfaces.

Dirty pens can likewise falsify the result. Other factors such as migration of slip additives may influence the adhesion of inks quite negatively. The substances of the test ink are "non-toxic“.

- After usage the caps should be put on the pen immediately.

- Store the pens at a place with 10 to 25°C.

- Avoid contamination due to dust, finger-move or anything else.

- Stamping with date of manufacture

Attention: The test liquid contains solvents, solvent-sensitive materials and surface coatings can be attacked, which can lead to misinterpretations of the display