When it comes to anilox rollers ultrasonic cleaning is almost universally recognised as the best process out there. The very nature of the small size of cavitation bubbles and the implosion sucking dirt off rather than blasting media on, makes the cleaning more precise and safer for the extraction of contaminant from micron sized cells on the surface of the roller. The chemistry associated with the ultrasonics is equally important though. Contaminants on anilox rollers tend to be 1 of 3 types of ink or coating, water based, solvent based or a UV based. Each type of ink requires a very different chemical agent to be removed.
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