Ferrarini & Benelli's new pens and markers are a convenient alternative to liquid mixtures.
Dyne Test Pens are non-toxic and are used by operators that handle the production lines to check if a material has been treated, or not.
The measurements is made accordingly to the same ASTM procedure as the test inks, so it verifies if the liquid remains spread for at least TWO SECONDS. For the Dyne Test Pen the value of reference is 38 dynes / cm.
Spread a thin layer of solution by drawing with the pen a line of about 5 cm on the media to be measured. If the solution remains anchored, support is treated. If the solution does not remain anchored and is divided into droplets, support is not treated.
New Corona Marker is used by the operators that handle the production lines to indicate the surface treated areas. Compared to the Dyne Test Pen: the Corona Marker Ink is solvent based and remains permanently on the treated zones in order to underline where the corona treatment has been done.
A series of liquid mixtures (whose values of wettability are known) are used; the mixture that is at the threshold of drop formation and indicates the wettability value of the solid is looked for.
You draw with the pen a line of about 5 cm.
You draw with the marker a line and the ink remains permanently spread on the treated area.
Type of test
Measure the tension giving precise values of treatment
Quick test: measure if the liquid remains spread for at least 2 seconds
Quick test: treated / non-treated (the ink quickly dry and remains permanently spread on the treated zones)
Mixture of Formamide and Cellosolve, "Du Pont Victoria Pure Bleu 80" dye (ASTM D procedure 2578-84)
Mixed solvent containing the following functional groups: alcohol, glycol ether, carboxylate, amide and different amounts of water.
Mixture with ethanol
Warnings for use
Components attack the skin, so you must avoid any direct contact and you must protect the eyes.
Components can cause eyes irritation, so you must avoid any direct contact and wear personal protection equipment. Flammable liquid.
8 small bottles, ml.
In packs of 10 + 1 free
We produce corona treatment stations for conductive and non-conductive materials (plastic or metallized film, paper, sheet, foil, foams, label, pipe and other special applications).
Wettability is the ability of a liquid to spread out completely on the flat and horizontal surface of a solid. It is measured in dyne/cm.
Ferrarini & Benelli Srl
P IVA IT00182670190
Via del Commercio, 22 - 26014 Romanengo (CR) ITALY
Tel. +39 0373 729272 | Fax +39 0373 270131
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