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90/10 Max 5
What is the "90/10 Max 5" rule?

The "90/10 Max 5" rule is as follows:

90% soaking, 10% ultrasonics with no more than 5 minutes of ultrasonics at a time.

How does the cleaning process work?

Cleaning is a two-step process. The first step is a thorough soaking of the roll to soften the buildup of hardened inks and resins contained in the anilox roll cells. The resins are the most difficult to soften because they dry very hard and clear. Many times operators will think that the roll is clean because they cannot see anything in the cells, but they may in fact still be plugged. Rolls that have not been in use and have sat on shelves for months, or years, will take longer to soak than rolls that are used daily as the resins will be drier and harder to soften.

The second step is a brief application of ultrasonics. This should be limited to no more than 5 minutes at a time. If you turn on the ultrasonics and do not see an immediate camouflaging taking place on the roll, then the roll has not been soaked long enough. Go back to the first step and soak the roll some more. If the camouflaging is taking place, you can speed up the process by scrubbing the roll with the rubber block that is provided. After the camouflaging has cleared away, remove the roll from the system, rinse the roll, and then you can place it back in production.

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