To evaluate the sixth supplied ink on the top products.
Date Run:
03/28/2008
Experiment Procedure:
The top ten products from the previous trial were used at full strength and room temperature. Twenty preweighed coupons were coated with the supplied Avery Marks-A-Lot permanent marker (black). Once dry, a second weight was recorded to determine the amount of ink added to the coupon. As in the last trial, two coupons were used per cleaning alternative. A handheld swab was immersed into the cleaning product and then manual wiped across the coupon for up to one minute. Following the cleaning, the coupons was wiped dry for 5 seconds. Observations were made, final coupon weights recorded, and the average efficiencies were calculated.
Trial Results:
As was the case for the blue Sharpie marker, due to the limited weight added by the black permanent marker, gravimetric analysis yielded inconclusive results. Therefore, analysis was performed based on visual rankings and length of time needed to clean the coupons. Products were considered successful in they removed the ink in under one minute of cleaning.
Nine of ten products removed all of the ink in under 10 seconds. The 10th product removed almost all of the ink after 60 seconds. The table below lists the time required to clean and the observations made.
Cleaner
Time
Visual
Soy Clear 1500
>60
Nearly all removed
Ink Zapper
7
All removed
Methyl Ester 1618
6
All removed
Citrus Soy Solvent Cleaner & Degreaser
9
All removed
Graffiti Remover SAC
5
All removed
BioRenewables Industrial Degreaser
5
All removed
EP 921
6
All removed
BG Solv 717 Ink & Graffiti Cleaner
3
All removed
Graffiti remover
4
All removed
Smart Solve 605
6
All removed
Success Rating:
Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
Conclusion:
Following successful laboratory testing of multiple products on the various inks, the next step will be to select products for on-site piloting.
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