ECO Jumbo pencils contain 45 mL of ECO ink.
ECO ink is an advanced counterpart of formamide, very precise (different from a simple mixture of water and alcohol).
The markers (with reservoir and valve) can be transported without fear, they make it possible to supply the pad with new ink each time it is used.
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.