Home / Irwin / Irwin 4935526 Strait-Line Permanent Staining Marking Chalk, Midnight Black

Irwin 4935526 Strait-Line Permanent Staining Marking Chalk, Midnight Black

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  • Detail

    Irwin 4935526 Includes

    • (1) Marking Chalk

    Irwin 4935526 Features

    • Visible after weeks of weather exposure and jobsite wear
    • Reduces need for spray sealant
    • Stains surfaces

    Irwin 4935526 Specifications

    Color Midnight Black
    Compositions Black Iron Oxide-Pigment Black 11, Talc, Silica
    Form Powder
    Odor/Scent Odorless
    Relative Density 4.4 to 4.6IRWIN STRAIT-LINE® Marking chalks have a newly engineered flip-top cap that keeps the chalk in the bottle where you want it and stops it from spilling out in areas that you don't. The flip-top cap, available on all IRWIN STRAIT-LINE® chalk bottles, seals the chalk in an air-tight chamber, keeping out moisture and reducing the risk of clumping.
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