Writes on all plastics, glass, metal, wood, paper and cloth, including Teflon® fluoropolymer resins.

• Precision seal valve provides smooth ink flow and preserves the pen’s life, even if left uncapped
• When dry, the solvent based ink is temperature resistant from 0 to 155 °C (32 to 310 °F)
• Markings are insoluble in water or hydrocarbons
• Resists many solvents, but is easily removed with alcohol or acetone