Browse Client Types

Browse past lab clients by general industry sectors

Trial Number 10

Trial Purpose:

To evaluate reformulated product on six supplied inks.

Date Run:


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.


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

Save Report as a PDF