Saftigrit Brown Walnut Shell Honite - Glass Bead Blast Media Guide

Cleaning, paint removal, etching We should begin a discussion of blast media with some observations about the term ‘sand blasting’. Natural silica sand or beach sand may be cheap, but this granular mineral material and the vitreous slag by-products that are marketed as substitutes for sand in outdoor blasting are generally not suitable for indoor cabinet-type blast systems that recirculate media. All such materials have an extremely high rate of fracture, leading to problems that will shortly be explained. More importantly, you must understand that the use of silica sand for blasting may result...

Shot peening, cosmetic finishing Density or particle mass is a major factor in the energy that media can deliver to the surface on impact. Heavy particles pack more punch than light ones and may be capable of greater surface modification, however, increased particle velocity can compensate for lower density up to the point where an excessive fracture rate becomes noticeable. Media shape Media particle shapes fall broadly into the categories of shot and grit. Spherical particles distribute their impact over a larger area, moderating the impact and potentially creating a round-bottomed dimple in...

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