What Are the Industry Standards for RA?


The industry standard Ra for surface finishes of injectables vessels is usually 15 Ra (microinch) or better. Astro Pak’s technicians generally arrive at single digit Ra’s using mechanical polishing before we even begin electropolishing as added assurance that the Ra target value has been met or exceeded. Typical surface finishes on non-electropolished vessels for sanitary or dairy use are between 20 and 25 Ra, sometimes as high as 32.

Posted by Mike Montgomery Category: 2017