Our metal crayons are available in modern substitute for paints. Metal crayons can be used on hot, cold, or polished metal. A metal crayon penetrates and leaves a permanent waterproof mark when used on hot metals. St. Louis Crayon & Soapstone Company offers the Steelmark metal crayon which can be used hot or cold. These marking crayons are made to last.

   

Steelmark - 3000

Steelmark can be used hot or cold. These marking crayons are made to last.

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Material Safety Data Sheet

4 3/4 round. Tapering to 7/16. The modern substitute for paints. For use on hot, cold, or polished metal. It penetrates and leaves a permanent waterproof mark when used on hot metal; 800 degrees F legible to 1200 degrees F .

Yellow  -  3001
Blue  - 3002
White  - 3005

 

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