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Trial Number 10

Trial Purpose:

To evaluate reformulated product on six supplied inks.

Date Run:

08/19/2008

Experiment Procedure:

Coupons were coated with each of the six supplied inks. These included Dykem Stop Off, Markal Valve Action Paint marker, Nu-Mark marker, Sharpie permanent marker, Sakura Coatings Product Company Solid Marker and the Avery  Marks-A-Lot permanent marker (black). Once dry, coupons were cleaned using a hand held swab that was immersed into the cleaning product. Cleaning lasted for up to 2 minutes (if necessary). Following the cleaning, the coupons was wiped once to dry surface. Observations were made and recorded. Product was used at full strength.

Trial Results:

Vertec Bio Gold 35  
Inks Results
Dykem Effective in under 30 seconds
Markal Effective in under 30 seconds
Nu-Mark Effective in under 30 seconds
Sharpie Effective in under 30 seconds - little to no blue residue
Sakura Effective in under 30 seconds
Avery Effective in under 30 seconds

Success Rating:

Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.

Conclusion:

The formulation was found to be effective on all six of the supplied inks. The Sharpie ink removal was better than the previous formulation.

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