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Trial Number 28

Client Number 232

Project Number 1

Trial Purpose:

To evaluate two supplied products for all purpose cleaning.

Date Run:

07/11/2006

Experiment Procedure:

The supplied cleaning products were diluted with DI water to vendor recommended concentration for all purpose Cleaning (30:1 and 10:1).

Six preweighed ceramic, nine plastic G-10 and nine painted steel coupons were coated with Hucker's Soil Formulation (Jif Creamy Peanut Butter 9.2%, Salted Butter 9.2%, Arrowhead Mills stone ground wheat flour 9.2%, Egg Yolk 9.2%, Evaporated milk 13.8%, Distilled water 45.8%, Printer's ink with boiled linseed oil 0.9%, Shaws saline solution 2.7%) using a hand held swab and allowed to dry for 24 hours at room temperature. The contaminated coupons were weighed again to determine the amount of soil added.

Three coupons were placed into a Gardner Straight Line Washability unit. A Professional Painter's Rag was attached to the cleaning sled and soaked with 5-7 sprays of cleaning solutions. Each coupon was sprayed 7-10 times with the same cleaning solution. The cleaning unit was run for 20 cycles (~33 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded, efficiencies were calculated and recorded.

Trial Results:

Both products performed well on the painted steel. The DFC Degreaser worked well on the plastic coupons as well. The table lists the amount of soil added, the amount remaining and the percent removed for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Degreaser Steel 0.8443 0.0383 95.46
  0.4892 0.0309 93.68
  0.3379 0.0301 91.09
Heavy Duty Steel 0.3551 0.0074 97.92
  0.4036 0.0101 97.50
  0.3675 0.0093 97.47
Degreaser Plastic 0.7741 0.0468 93.95
  0.8812 0.0662 92.49
  0.7610 0.0530 93.04
Heavy Duty Plastic 1.1863 0.3612 69.55
  0.3662 0.1005 72.56
  0.6274 0.1256 79.98
Degreaser Ceramic 0.3877 0.1063 72.58
  0.6423 0.1940 69.80
  0.2760 0.0654 76.30
Heavy Duty Ceramic 0.5731 0.1817 68.30
  0.2485 0.0733 70.50
  0.6185 0.1933 68.75

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The DFC Degreaser on average removed over 86% of the soil from the three substrates. The DFC Heavy Duty cleaner only removed 80%.

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