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Trial Number 11

Trial Purpose:

To evaluate top cleaning products without rinsing.

Date Run:

10/16/2008

Experiment Procedure:

The top two products were selected from the previous trials based on success on removing tithe supplied soils using heated immersion cleaning. Both were used at full strength based on vendor recommendations. Beakers were heated to 130 F on a hot plate. Preweighed steel coupons were coated with the three supplied soils,  VCI 369, VCI 368 and VCI 325, using a hand held swab. Coupons were weighed again to determine the amount of soil added. Three coupons were cleaned in each solution for 10 minutes using stir bar agitation. Coupons were not rinsed but were dried using compressed air at room temperature for 30 seconds. Final weights were recorded and efficiencies calculated.

Trial Results:

Both products were able to remove over 85% of the three soils using immersion cleaning without rinsing. The Bean-e-doo removed over 92%. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt Final wt % Removed
Smart Solve 605 - VCI 639
  0.2647 0.0107 95.96
  0.1136 0.0167 85.30
  0.2171 0.0239 88.99
Bean-e-doo - VCI 639
  0.1711 0.0294 82.82
  0.2043 0.0062 96.97
  0.3304 0.0157 95.25
Smart Solve 605 - VCI 638
  0.3001 0.0334 88.87
  0.2444 0.0210 91.41
  0.2038 0.0222 89.11
Bean-e-doo - VCI 638
  0.2324 0.0186 92.00
  0.2690 0.0170 93.68
  0.3066 0.0094 96.93
Smart Solve 605 - VCI 325
  0.1093 0.0239 78.13
  0.0749 0.0211 71.83
  0.1013 0.0186 81.64
Bean-e-doo - VCI 325
  0.1266 0.0097 92.34
  0.1121 0.0101 90.99
  0.1542 0.0136 91.18

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Piloting of the two cleaning products should be arranged as the next step.

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