Foundry Core Burnout Material

Grit-O’Cobs is often used in foundry applications due to its low ash (1.6%) and high BTU value (7900).

When mixed with other foundry core burnout ingredients, Grit-O’Cobs granules provide an excellent material for forming the necessary intricate patterns. The combustible properties of corncob also help to improve the surface of sand castings.

How to select


Corncob is an excellent ingredient in foundry core burnout formulas.

For assistance in selecting the product(s) that are best suited for your formula, download our Foundry Core Burnout brochure.



Have a question about your project? Not sure which Grit-o’Cobs product to use? We can help – contact us today!

Features & Benefits

  • Low ash, high BTU
  • Lightweight
  • Environmentally friendly & biodegradable
  • Alternative for green manufacturing
  • Improves part quality and consistency
  • Instant incineration
  • Contains no silica




Click here to download the Foundry Core Burnout brochure!