SHOT AND GRIT-BLASTING COMPARATORS
No. 017 for sand and Shot blasting
No. 018 Grit-blasting
These two comparators are specially designed to check the roughness of steel surfaces which have been blast cleaned to cleanliness grades SA 2.5 and SA 3 in preparation for painting. They conform to ISO 8503.

Model Name/Number: SA 2.5
Usage/Application: Industrial
I Deal In: New Only
Brand: Rubert-UK
Number of Patches: 4