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Trial Number 7

Trial Purpose:

To evaluate new product with low voc and no HAPs on all six inks.

Date Run:

04/17/2008

Experiment Procedure:

One coupon was 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 1 minute. Following the cleaning, the coupons was wiped dry for 5 seconds. Observations were made and recorded.

Trial Results:

Contaminant Observation
Dykem Required under 30 seconds to clean
Markal Worked well
Nu-Mark Worked well
Sharpie Worked well - slight blue residue left
Sakura Worked well under 1 minute
Avery Worked well

Success Rating:

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

Conclusion:

The Vertec Bio Gold #3 worked on all six inks.

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