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The cleaning dynamics of carbon dioxide blasting vary significantly from that of grit blasting. During impact, a particle such as grit or a CO2 pellet undergoes a deformation phase (caused by the impact) and restitution phase (the response of the deformation) during which the particle attains its next stable state. Conventional grit blasting uses a chiselling action as the grit particles strike the target material, as shown under 4., for the removal of the surface coating or contaminants.
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