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Desanding is a heavy duty wheel blasting operation in the foundry industry. Goal is to clean sand and other foundry contaminants from the castings, which can vary from watch cases to railcar wheels and marine engine blocks. The size and material of the casting guide the abrasive that is most effective. Normally the larger the casting the larger the shot size, but in most cases S460 and S390 are being used.


Our High Carbon grit GP is often used in this operation to increase the production output. This softest grit with a hardness between 42 and 52 HRC, is also referred to as angular shot, since it will get a round shape during its lifetime. Cut wire is even more aggressive and therefor achieves an even faster cleaning rate.


In cases of aluminium based casting the cast steel shot may be replaced by stainless steel or aluminium shot and wire.



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