Walnut Shell #18-40 - 4 lb

18-40 Grit Fine Crushed Walnut Shells, 1.8 kg | 4 lbs. Walnut media blasting is especially effective when you want to clean paint, grease and other dirt from the surface of a material but maintain the integrity of the substrate materials. Cleans and polishes glass, fiberglass, wood, plastic, stone and soft metals. For use with blasting or vibratory tumblers. It’s environmentally friendly and 100% silica free. ALLERGY ALERT! This media contains walnuts.

* Fine Walnut Shells Polish Surfaces without Damaging the Substrate
* 18-40 Grit Fine Abrasive Consistency
* 100% Crushed Walnut Shells, Environmentally Friendly
* Use Low Pressure 20-60 PSI for Soft/Sensitive Materials. Exceeding 80 PSI Lowers the Longevity of the Walnut Shell Media
* Made in the USA