29
Apr
What is an RA Finish
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By
Rapid-wpadm
Ra is calculated as the Roughness Average of a surface’s measured microscopic peaks and valleys.
RA is typically measured in ei...
Tag Archives: grit
02
Nov
How to choose the right sandpaper grit?
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By
No matter the job, whether you are sanding the rust off a car panel or starting a new woodworking project you need to make sure yo...