Suitable for marking and labeling smooth and transparent surfaces such as object plates, reaction vessels, test tubes, and Petri dishes. The ink is completely odorless, dries very quickly, and is smudge-proof, water-resistant, and lightfast. It does not contain xylene or toluene. It leaves a permanent mark on plastic surfaces and can be removed from glass surfaces with acetone, ethanol, or isopropanol. Its use in laboratory environments has been tested and certified by TÜV Saarland. The writing is extremely wear-resistant, remaining visible on aluminum plates up to 500°C and in liquid nitrogen down to -183°C. Recommended by Clariant, one of the world s leading chemical companies. The rounded tip has a line width of 1 mm. The product is only available in black. Thanks to the practical clip on the cap, the marker does not roll away and can be attached to a pocket.