As a blasting media, recycled crushed glass is a highly efficient material for many applications. BLACK BEAUTY GLASS is used by customers in removal of surface coatings such as rust, paint and scale from a variety of substrates, especially stainless steel, aluminum, concrete, bricks and wood. QPL Approved: SSPC-AB1, MIL-A-22262B(SH). Environmentally friendly passes California Title 17 (CARB) and 40CFR 261.24a (TCLP)