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  • About The Tension Pen

    Surface tension test pens were introduced to give an accurate measurement of graduated surface tension levels. The fluid is applied to the surface or substrate until a satisfactory dyne level is found.

    Test Method

    Experience has shown that wetting is normally adequate when a continuous film of test fluid remains intact for 2 seconds. Breaking of the fluid into droplets in less than 2 seconds indicates a lack of wetting and a lower numbered test fluid should be tried. If the fluid remains intact for longer than 2 seconds, a higher numbered test fluid should be tried. 

    A clean, new cotton applicator should be used each time to avoid contamination of the solutions ensure the film surface is not touched or contaminated in the areas in which the tests are to be made.

    Application Range



    The test inks should not be used or stored at temperatures above 25oC or below freezing, to prevent inaccurate dyne level readings.

    The bottled inks should not be exposed to direct light. Therefore keep them in their original box with the lid closed when not in use. Also, repeated exposure to air of the bottled inks, will alter the dyne levels. Properly sealed bottles prevent this occurring.

    Avoid any skin contact especially the eyes with the test solutions. If contact occurs wash immediately with copious amounts of clean water.

    Contact US

    Add: 1603Room,44Unit NO.399 Changbei Load,Baoshan Area Shanghai

    Tell: +86(21)58700012

    Fax: +86(21)33875949

    Contact: Miss Xu



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