Dyne Pen
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The test pens contain, similar to the test inks, fluids of defined surface tension. The surface energy of the material to be checked is determined simply by applying a stroke of ink with the tip of the felt pen. The accuracy of the measurement is, like the one of the test inks, 1mN/m.
The test pens are available in a set of 8 pens from 30 to 44 mN/m.
On special demand also bigger or smaller values are available.
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Features
- Easy to use
- Result in less than 3 seconds
- Fluid formulation based on ISO 8296
- Disposable cartridge
- Performs well on most non-absorbent materials
In case of proper handling we guarantee a shelf life of 6 months starting from the date of packaging. This is applicable to the test inks in the range from 29-72mN/m.
For our test inks 18.4-26mN/m and 76 – 105mN/m we guarantee a shelf life of 3 months.
The shelf life is dependant on usage and storage:
- Store at temperatures between 20 – 25°C
- Avoid exposure to direct sunlight
- Keep containers tightly closed
- Avoid contamination during use
Discrepancies of +/- 1mN/m are standard.