S660 / S780 ST Series Steel Shot are extra-large secondary-quenched steel shot abrasives designed for powerful shot blasting and extra-heavy-duty surface preparation. With maximum impact force, strong cleaning power, enhanced toughness and stable blasting performance, S660 ST Series steel shot and S780 ST Series steel shot are suitable for large, thick and heavily contaminated workpieces that require aggressive cleaning. They are mainly used for heavy castings, large steel structures, thick steel plates, heavy machinery parts, shipbuilding steel parts and mining equipment parts, especially for removing severe rust, thick oxide scale and heavy sand residues before protective coating.
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