Harsco'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 may be the sincerest form of flattery, but there is only one original BLACK BEAUTY® abrasive.
- Medium grade BLACK BEAUTY®: Used for general purpose repair and maintenance blasting including removal of paint, rust, mill scale, and other coatings from surfaces
 - Medium Grit 12/40 Blast Media
 - Use Medium for general purpose repair and maintenance blasting for the removal of paint and rust, structural steel, mill scale and aggregate exposure
 - *Minimum suggested nozzle size of 1/4 in. and under standard blasting conditions will achieve a 3.0-4.8 Mil profile*
 - Quantity: 10 lbs. bag
 
Features and Benefits
- Low free silica less than 0.1% compared to sand at up to 99% free silica
 - Fast cutting
 - Uniform density
 - Angular particle shape
 - Chemically inert
 - Consistent gradation
 - Low dusting passes California Title 17 (CARB) (at select plants)
 - Moisture-free media 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
 
Product Data (Typical)
- Free Silica: less than 0.1%
 - Particle Shape: angular, sharp
 - Hardness: 6 to 7 on the Moh's scale
 - Bulk Density: 75-100 lbs per cubic ft
 - Specific Gravity: 2.73
 - Moisture Content: less than 0.5%
 
Chemical Analysis
- Silicon Dioxide 48.78%
 - Aluminum Oxide 20.97%
 - Ferric Oxide 19.08%
 - Calcium Oxide 6.02%
 - Potassium Oxide 1.67%
 - Titanium Dioxide 0.94%
 - Magnesium Oxide 0.90%
 - Sodium Oxide 0.62%
 
WARNING! This product can expose you to chemicals including sili_crys_airbo_partic_of_respirable_siz, tit_dio_airb_unb_part_of_respirable_size, chromium_hexavalent_compounds, cadmium, and beryllium, which is known to the state of California to cause cancer, reproductive harm, or respiratory irritation. For more information, go to www.P65Warnings.ca.gov. Wash hands after handling.