Composition Materials has been a leading supplier of crushed walnut shell grit products for more than 50 years. In the 1960s, the company pioneered an innovative coating removal blasting technology ...

This video shows the footage of Walnut Shell Blasting at the Norfolk Navy shipyard from Composition Materials. Ted Diamond of Composition Materials Co. explains how walnut shells blasting of Navy ...

The 33-year-old was doing air quality tests at an old fire station in Edmonton when he went into anaphylactic shock. Walnut shells were used to blast paint of the walls earlier that day ...

A Canadian man died from a possible fatal allergic reaction to walnut particles that were being used as an abrasive in sandblasting. Justin Mathews fell ill this month while checking air quality at a ...