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Trial #2

Trial #2

To evaluate successful cleaners under varying operating conditions

2002

9

4

73

73

Coupon

02/24/2002

5.00

Immersion/Soak

Jason Marshall

Stainless Steel

Lubricating/Lapping Oils

Tap water rinse

Heat Gun

Gravimetric

Two products from the previous trial were made into two concentrations, 5 and 10%, using DI water in 600 ml beakers.  These dilutions were heated to two temperatures, 130 and 150 F on a hot plate.  The various operating conditions used were:

Product  Conc (%)  Time (min) Temp (F)
Surface Cleanse 930 10 10 130
Surface Cleanse 930 10 10 150
Surface Cleanse 930 10 5 150
SC Aircraft & Metal 5 10 130
SC Aircraft & Metal 5 5 150
SC Aircraft & Metal 5 10 150
SC Aircraft & Metal 10 5 130
SC Aircraft & Metal 10 10 130
SC Aircraft & Metal 10 5 150
SC Aircraft & Metal 10 10 150

Thirty preweighed coupons were coated with the New England Industrial Lubricants NEILCUT 333 using a hand held swab. Coupons were then weighed again to determine the amount of lubricant added. Three coupons were cleaned in each solution for either 5 or 10 minutes using stir-bar agitation. Following cleaning, the coupons were rinsed in tap water at 120 F for 30 seconds and dried using a Master appliance heat gun at 500 F for 1 minute.
Once coupons were cooled to room temperature, final weights were recorded and efficiencies were calculated.

The SC Aircraft & Metal cleaner was successful in removing the oil under multiple operating conditions. The effectiveness of the Surface Cleanse 930 decreased as temperature and time were increased. The following table lists the efficiencies for both products under the different settings.

Cleaner Time/Temp Coupon 1 Coupon 2 Coupon 3 Average Std Dev
Surface Cleanse 930 @10% 10/130 76.10 73.84 87.23 79.06 7.17
  10/150 -26.61 -108.36 17.33 -39.21 63.78
  5/150 -49.27 3.48 6.74 -13.02 31.44
SC Aircraft @ 5% 10/130 100.44 102.09 100.41 100.98 0.96
  5/150 98.93 98.72 99.36 99.01 0.33
  10/150 97.84 93.42 85.89 92.38 6.04
SC Aircraft @ 10% 5/130 98.46 96.95 100.41 98.61 1.74
  10/130 100.46 100.80 100.98 100.75 0.26
  5/150 100.18 100.07 98.92 99.72 0.70
  10/150 100.58 100.19 97.68 99.48 1.57

The increase in temperature, time, concentration or the combination of each resulted in improved cleaning efficiency for the SC Aircraft & Metal cleaner.

No relation

Name Class Section
Document Evaluation #0 Evaluation 3
Document Evaluation #1 Evaluation 3
Document Evaluation #2 Evaluation 3
Document Evaluation #3 Evaluation 3
Document Evaluation #4 Evaluation 3
Document Evaluation #5 Evaluation 3
Document Evaluation #6 Evaluation 3
Document Evaluation #7 Evaluation 3
Document Evaluation #8 Evaluation 3
Document Evaluation #9 Evaluation 3
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