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Shot And Grit-blasting Comparators

Shot And Grit-blasting Comparators

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Shot And Grit-blasting Comparators 

These two comparators (item 017 for shotblasting, 018 for gritblasting) are specially designed to check the roughness of steel surfaces which have been blast cleaned to cleanliness grades SA 2.5 and SA 3 before painting. They conform to ISO 850