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To evaluate reformulated product on six supplied inks.
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.
|Vertec Bio Gold 35|
|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.
The formulation was found to be effective on all six of the supplied inks. The Sharpie ink removal was better than the previous formulation.