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BLACK BEAUTY Abrasive Blast Media Fine Abrasive 20/40 Mesh Size for use in Sandblast Cabinet - 10 LBSHarsco's BLACK BEAUTY® blasting abrasive has been number one in the industry for nearly 80 years. The high quality, chemically-inert, low-free silica and low-dusting BLACK BEAUTY® abrasives are utilized in a wide range of applications. This includes the removal of surface coatings such as rust, paint, and scale, from a variety of substrates, especially structural steel and concrete. Imitation maybe the sincerest form of flattery, but there is only one original BLACK BEAUTY® abrasive.Fine grade black beauty: Utilized for new construction, light paint and rust removal and special maintenance applications requiring reduced profiles.Fine Grit 20/40 Blast MediaUse Fine for new construction, light paint and rust removal, and for special maintenance applications requiring reduced profiles. Bridge maintenance, light mill scale, paint and rust, new structural steel.*Minimum suggested nozzle size of 3/16 in. and under standard blasting conditions will achieve a 2.0-3.8 Mil profile*Quantity: 10 lbs. BagFeatures and BenefitsLow free silica less than 0.1% compared to sand at up to 99% free silicaFast CuttingUniform densityAngular particle shapeChemically inertConsistent gradationLow dusting passes California Title 17 (CARB) (at select plants)Moisture-free will not rust, pack or attract dampness.Gives a high degree of etch for better bonding.Meets Industry abrasive specifications and environmental standards.A 100% recycled, "green" product