Description Walnut Shell Abrasive Walnut Shell Abrasive can be used to clean metals, alloys and plastics without scratching. Sandblasting with abrasive media can eliminate hand scraping, brushing or grinding. Walnut Shells are often used to deflash plastic parts, deburr metal, clean molds and polish metal surfaces. Various Grit options available. 50LB bag Part: 4004 (12-20) Medium Grit Part: 4004-1 (8-12) Coarse Grit Part: 4004-2 (20-30) Fine Grit
