High-Temperature Marker Features:

• The ink formulation fulfills or exceeds the criteria of GE Nuclear Energy, GE Aircraft Engines, and the US Energy Research and Development Administration (nuclear grade).
• It may leave a mark on any surface, including metal, plastics, steel, ceramic, glass, and concrete.
• Under harsh weather and heat, the marks do not fade or disappear.
• It is ideal for use in the welding industry, aviation and marine industries, power plants, automobile companies, and oil and natural gas refineries.
• It has an aluminum body filled with ink and a felt-tip with a valve action for smooth ink flow.
• Markings are visible at temperatures ranging from 500 to 2000 degrees Celsius (930-2000 F).