Labor markers for extra fine and precise marking and labeling of smooth and transparent surfaces such as slides, reaction vessels, Petri dishes, and laboratory plates. The round tip has a line width of 0.75 mm. Quick-drying, abrasion-resistant, waterproof, lightfast, and low-odor ink. Permanent on plastics, removable from glass with acetone, ethanol, isopropanol, and methyl ethyl ketone. Tested quality: Highly resistant to abrasion, high temperatures on aluminum up to +500 °C, and low temperatures down to -183 °C in liquid nitrogen - tested and approved by TÜV Saarland. Recommended by Clariant. Available in black. Compatible replacement tips are available. The ink is low-odor and free from toluene/xylene. Key features: Ink color black, tip type round tip, product color black, white, point type fine, maximum line width 0.75 mm, quick-drying yes, waterproof yes, heat-resistant.