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 handheld 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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