Walnut Shells Blast Media: best for removing paint or baked-on carbon deposits from ferrous metals (like iron, steel) or to clean internal parts.

• 12-20-grit size
• Use at maximum 80 psi
• 50-lb. bag

Use this walnut-shell abrasive to clean ferrous metals or internal parts; any of the soft abrasive material left inside the working part will break down with minimal damage.

Blast Media Selection Chart