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Abrasive grit blasting, or sand blast cleaning, is a surface treatment process widely used in a variety of different industries with many diverse purposes. Abrasive blasting is the process by which an abrasive media is accelerated through a blasting nozzle by means of compressed air. The abrasive used varies based on the surface treatment required. Common abrasives used include:
  • Steel shot
  • Steel grit
  • Glass bead
 
Traditionally abrasive grit blasting has been considered a "low tech" process, generically called sand blasting. Today, however, abrasive blast cleaning is a vital process used not only to remove rust, but to prepare surfaces for high performance coatings or to treat final products to give them the luster and surface texture desired by the retail consumer .
   
The range of uses for abrasive grit blasting are very broad and include:
  • surface preparation prior to painting, bonding or other coating operations
  • removal of rust, scale, sand, or paint from fabricated components
  • roughening of industrial gas turbine engine component surfaces in preparation for thermal spray coating
  • removal of burrs or edge profiling machined components
  • providing a matte cosmetic surface finish on consumer products
  • removal of mold flash from plastic components
  • surface texturing of tooling, and molds to alter the appearance of molded or stamped products
 
 
 

 

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