cleaning, pretreatment & surface preparation
IMPACT BLASTING WITH GLASS BEADS
BY ROBERT C. MULHALL AND NICHOLAS D. NEDAS
POTTERS INDUSTRIES INC., VALLEY FORGE, PA.; WWW.POTTERSBEADS.COM
Glass beads were originally used for decorative applications. Their use as a mediumin impact blasting came about largely as a result of the aerospace buildup ofthe 1950s. At that time, a need developed for multipurpose media that combinedthe advantages of coarse, organic, metallic, and fine angular abrasives. Table Ishows a comparison of glass beads with other impact abrasives for cleaning,
finishing, peening, and deburring applications.Impact blasting with glass beads is well placed to satisfy demands of the 1990sfor an energy-efficient and environmentally acceptable method of metal finishing.When properly controlled....
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