Black Slag, 12/30

1_0375073
$0.00 / BAG
Black Slag (Black Blast) is made of abrasive blasting crystals used for removing rust and paint, cleaning stone and brick, glass frosting, etching, and carving. Black slag has high hardness, an angular particle shape, and is chemically stable. 12/30 & 12/40 Medium Grade is used for general purpose repair and maintenance blasting, removal of paint and rust, general purpose, structural steel, mill scale, aggregate exposure. 20/40 Fine Grade is used for new construction, light paint and rust removal, and for special maintenance applications requiring reduce profiles, bridge maintenance, light mill scale, light paint & rust, new structural steel. 30/60 Extra fine grade is used to clean surfaces and create a smooth finish.
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