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A Viable Alternative to Mineral Abrasive

A Viable Alternative to Mineral Abrasive
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Mineral abrasives such as glass bead and aluminum oxide have been traditionally used in the surface finishing industry. The general perception is that they offer acceptable cleaning at a low operating cost. Often dismissed is the potential of metallic alternatives that though seemingly higher in initial procurement cost, offer several differentiating advantages in terms of recyclability, consistency of finish, repeatable results and ultimately resulting in overall, reduced operating costs. 

Product Number: 51220-263-SG
Author: Joe McGreal
Publication Date: 2020
Industry: Coatings
$0.00
$20.00
$20.00

Mineral abrasives such as glass bead and aluminum oxide have been traditionally used in the surface finishing industry. The general perception is that they offer acceptable cleaning at a low operating cost. Often dismissed is the potential of metallic alternatives that though seemingly higher in initial procurement cost, offer several differentiating advantages in terms of recyclability, consistency of finish, repeatable results and ultimately resulting in overall, reduced operating costs. This case study compares the use of stainless steel grit in a grit blast installation that in the past used aluminum oxide. Having achieved success at this installation in terms of lower operating costs and increasing productivity, the case study extends to characterize material behavior over multiple cycles in a lab environment, in terms of surface roughness and transmitted energy.

Mineral abrasives such as glass bead and aluminum oxide have been traditionally used in the surface finishing industry. The general perception is that they offer acceptable cleaning at a low operating cost. Often dismissed is the potential of metallic alternatives that though seemingly higher in initial procurement cost, offer several differentiating advantages in terms of recyclability, consistency of finish, repeatable results and ultimately resulting in overall, reduced operating costs. This case study compares the use of stainless steel grit in a grit blast installation that in the past used aluminum oxide. Having achieved success at this installation in terms of lower operating costs and increasing productivity, the case study extends to characterize material behavior over multiple cycles in a lab environment, in terms of surface roughness and transmitted energy.

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Author: Brad Gooden
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The easiest way to compare abrasives is to look at the price per unit (i.e., price per ton or price per pound). If only it were that easy! Unfortunately comparing the price per unit assumes that all abrasives perform the same – and we all know that is not the case. 
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Product Number: 51218-161-SG
Author: Dr. Daniel Totev
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Pull-off adhesion testing of coatings is commonly used for product testing and qualification as well as quality control / quality assurance. However, initial adhesion values do not necessarily correlate with service life of coatings or their corrosion protection performance. Adhesion of several product chemistries to steel is examined in this study before and after immersion exposure. Results are presented within the context of laboratory corrosion testing in an effort to investigate the significance of adhesion testing in modern lining systems.
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