![]() Moderately abrasive blasting methods include glass bead blasting, plastic media blasting (using plastic stock), and organic blasting with walnut shells and corncobs. The most abrasive methods include shot blasting (which uses metal shot) and sandblasting. The process is used to smooth rough surfaces, roughen smooth surfaces, shape a surface or remove surface contaminants.ĭifferent variants of the blasting process involve different media, which range in their levels of abrasiveness, with some being highly abrasive while others are very mild in effect. The blasting material (also known as media) is propelled against the surface by a pressurised fluid (usually water), vapour streams (usually steam), compressed air, or by a centrifugal wheel. National Structural Integrity Research CentreĪbrasive grit blasting (also commonly known as abrasive blasting or sandblasting) involves forcibly propelling an abrasive material against a surface under high pressure.Structural Integrity Research Foundation.
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