St. Louis Crayon & Soapstone Company offers the Supermark rubber crayon. The Supermark is made for marking rubber, but works well on many surfaces. It is preferred by roofers and packaged with Firestone Building Products roofing material. The rubber crayon has a high melting point and when used on hot rubber will not run or spread. Rubber crayons are available in white or yellow and you can special order red, black or blue.

   

Supermark - 4000

Supermark is made for marking rubber, but works well on many surfaces. It is preferred by roofers and packaged with Firestone Building Products roofing material.

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Material Safety Data Sheet

This crayon has a high melting point and when used on hot rubber will not run or spread. Used by the largest tire manufacturers. It has been on the market for more than 50 years.

White  -  4001
Yellow  - 4002
Red  - 

Special
order

Black  -
Blue  -

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