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    WALNUT SHELL

    Description:

    Black Walnut Shell is thick and hard and can be used for a variety of blast cleaning and polishing applications.
    English Walnut Shell is thinner and softer and considerably more lightweight and is ideal for polishing a surface without leaving much of a surface profile.
    Both types of walnut shell can be used for blast cleaning and polishing soft metals, fiberglass, plastics, wood, and stone. Easily deburr and deflash products for moldings, castings, and electrical parts.

    Common Uses:

    • Fire/Smoke Remediation
    • Graffiti Removal
    • Brick Restoration

    Physical Characteristics

    Shape: Angular
    Hardness: 3 Mohs
    Bulk Density: 40-45 lbs./cu.ft.
    Specific Gravity: 1.2 - 1.4 g/cc
    Free Silica: <1% crystalline silica
    Total Chlorides: None
    Type: Organic
    Recyclability: Low
    Surface Etching: Low
    Military Specification: MIL-G-5634 ype 3

    Packaging Options

    Bulk Bags: 2,000 lbs.
    Bags: 50 lbs.

    Recommended Blasting Conditions

    Nozzle Pressure: 60 psi
    Working Distance from Surface: 6–36 inches

    Inhaling dusts from abrasive blasting may result in serious injury, disease, or death.
    According to OSHA, only a Type CE NIOSH-certified blasting airline respirator with positive pressure blasting helmet should be used for abrasive blasting.

    OSHA® Fact Sheet: Protecting Workers from the Hazards of Abrasive Blasting Materials