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Trial Number 5

Trial Purpose:

To evaluate top ten products on fifth supplied ink

Date Run:

03/28/2008

Experiment Procedure:

The top ten successful products from the previous trial were used at full strength and room temperature. Twenty preweighed coupons were coated with the supplied Sakura Coatings Product Company Solid Marker (yellow). 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 hand held 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:

Six of the ten products removed nearly all of the yellow ink from the aluminum coupons in under 60 seconds of manual wiping. The table below lists the amount of ink applied, the amount remaining, the efficiency and the time needed to clean the ink.

Cleaner Initial wt Final wt % Removed Time
Soy Clear 1500 0.103 0.0399 61.26 >60
  0.084 0.0412 50.95  
Ink Zapper 0.0729 0.0036 95.06 60
  0.0988 0.0057 94.23  
Methyl Ester 1618 0.0903 0.0607 32.78 >60
  0.1385 0.0753 45.63  
Citrus Soy Solvent Cleaner & Degreaser 0.0631 0.0497 21.24 >60
  0.1528 0.086 43.72  
Graffiti Remover SAC 0.1264 0.0053 95.81 60
  0.1077 0.0086 92.01  
BioRenewables Industrial Degreaser 0.1112 0.0684 38.49 >60
  0.1061 0.0704 33.65  
EP 921 0.1071 0.0054 94.96 45
  0.0818 0.0038 95.35  
BG Solv 717 Ink & Graffiti Cleaner 0.0578 0.0052 91.00 20
  0.0725 0.0011 98.48  
Graffiti remover 0.0801 0.0021 97.38 25
  0.0783 0.0024 96.93  
Smart Solve 605 0.0714 0.004 94.40 60
  0.1008 0.0128 87.30  

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

The same set of products will be used on the last supplied ink.

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