You fill the pencils yourself, at your convenience. The ECO ink present in the bottles is an advanced counterpart of formamide, very precise (different from a simple mixture of water and alcohol).
The markers (with tank and valve) can be filled and transported without fear.
CategoryMeasuring Surface Tension
- Dynes available: 28 to 58 dynes (even numbers) and 59 to 71 dynes (odd)
- Unit of measure: dyne/cm (mN/ m)
- To avoid inaccuracies: storage temperature between 10 ° and 25 ° C.
- Correction depending on excess temperature: approximately -1 dyne / + 10 ° C
- Avoid contact with eyes, skin (irritant).
- To determine the levels you need: Call us.