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Trial Number 0

Client Number 25

Project Number 1

Trial Purpose:

Remove baked on oil and grease

Date Run:

05/02/1996

Experiment Procedure:

On the following pages are the results from the testing performed yesterday. The following cleaning conditions were used:

Baked On Oil Mixture
Cleaned for 5 minutes in a beaker with no agitation. Rinsing was for 30 seconds in a beaker with a 10% solution of Buckeye Shopmaster
Lithium Grease
Cleaned for 10 minutes in a beaker with stir-bar agitation. Rinsing was also for 30 seconds with a 10% solution of Buckeye Shopmaster.

Trial Results:

Cleaning Solution: 15% Solution of Bio-T Max
OIL            
coupon substrate  clean dirty cleaned percent
23 302 63.0332 63.1487 63.0505 0.85
24 302 63.1730 63.2796 63.2056 0.69
           
grease          
coupon substrate  clean  dirty cleaned   percent
19 316 60.7662 61.6397 61.6400 -0.01
20 316 59.6282 60.5947 60.5942 0.01
21 316 60.7123 61.6144 61.6140 0.01
oil Average 0.77 std dev   0.11
grease      0.00     0.01
           
Cleaning Solution: 15% Solution of Terpene Technologies HTF 10B
oil          
coupon substrate  clean dirty cleaned percent
14   63.0073 63.0404 63.0227 0.53
15   62.8329 63.1210 62.8400 0.96
16   63.0599 63.2534 63.0643 0.98
grease          
coupon substrate  clean  dirty    cleaned percent
10   60.6422 61.4592 61.4521 0.01
11   59.4874 60.1590 60.1331 0.04
12   59.5422 60.1405 60.1404 0.01
oil    Average  0.83   std dev 0.25
grease   0.02     0.02
           
Cleaning Solution:10% Solution of Safety Kleene Aqueous Cleaner
oil          
coupon substrate  clean dirty cleaned percent
7    62.9398 62.9518 62.9503 0.13
8   63.1198 63.1335 63.1308 0.20
9   63.0821 63.1178 63.1035 0.40
grease          
coupon substrate  clean dirty  cleaned percent
25   60.6306 61.4385 61.4368 0.01
26   60.4338 61.1508 61.1519 -0.01
27   60.6260 61.6103 61.6054 0.04
oi       Average   0.24   std dev 0.14
grease      0.02     0.01
           
Cleaning Solution: 10% Solution of Safety Kleene Green Solvent
oil          
coupon substrate  clean dirty  cleaned percent
4   62.8570 62.9619 62.8616 0.95
5   63.1104 63.1742 63.1179 0.88
6   63.1353 63.1668 63.1493 0.56
grease          
coupon substrate  clean dirty cleaned percent
4   59.3884 60.1938 59.3937 0.99
5   59.4122 60.2694 59.4167 0.99
6   59.3578 59.9437 59.3787 0.96
oil  average   0.80 std dev   0.21
grease   0.98     0.01
           
Cleaning Solution: 10% Solution of Buckeye Shopmaster
oil          
coupon substrate  clean dirty cleaned percent
17   63.0592 63.1298 63.0720 0.82
18   63.0918 63.1758 63.1062 0.83
19   63.1899 63.2544 63.1988 0.86
grease          
coupon substrate  clean dirty cleaned percent
13   60.6354 61.5455 61.5729 -0.03
14   59.4317 60.2272 60.2660 -0.05
15   59.4579 60.3714 60.3954 -0.03
oil average  0.84 std dev   0.02
grease   -0.04     0.01
           
Cleaning Solution: Twin Rivers Aliphatic Ester
oil          
coupon substrate  clean dirty cleaned percent
10   63.1169 63.1629 63.1366 0.571739
11   63.1563 63.1877 63.1755 0.388535
12   62.5434 62.5635 62.5601 0.169154
grease          
coupon substrate  clean dirty   cleaned percent
7   59.4273 59.9600 59.4546 0.95
8   59.4618 60.3706 59.5332 0.92
9   60.6318 61.5257 60.7028 0.92
oil average   0.38 std dev   0.20
grease   0.93     0.02
           
Cleaning Solution: Twin Rivers Graffiti Remover
oil          
coupon substrate  clean dirty cleaned percent
25   62.5826 62.6289 62.6039 0.54
27   63.2869 63.3185 63.3054 0.42
28   62.9276 63.1563 62.9520 0.89
grease          
coupon substrate  clean  dirty   cleaned percent
22   60.5770 61.5722 60.9039 0.67
23   60.7098 61.5543 60.8916 0.78
24   59.5551 60.4234 60.0151 0.47
oil  average    0.62 std dev   0.25
grease                                                                   0.64     0.16
           
Cleaning Solution: Twin Rivers Emulsified Ester
oil          
coupon substrate  clean dirty cleaned percent
20   63.0172 63.0958 63.0507 0.57
21   63.2611 63.3712 63.2869 0.76
22   63.0732 63.1824 63.0934 0.82
grease          
coupon substrate  clean dirty cleaned  percent
16   60.6268 61.3589 61.3324 0.04
17   60.6234 61.6174 61.5975 0.02
18   59.6342 60.3488 60.2949 0.07
oil average   0.72 std dev    0.13
grease   0.04     0.02
           
Cleaning Solution: Cold clean with Twin Rivers Aliphatic Ester
Grease          
coupon substrate  clean   dirty   cleaned percent
22   60.0108 60.8169 60.6998 0.14
23   60.1082 60.8434 60.6865 0.21
24   60.231 61.2578 61.2042 0.05
grease average     0.14 std dev   0.08
Removal of Lithium Grease
  % Removal    Std Dev
Sk Solvent 98.41 1.71
Warm Ester  93.03 1.6
Graffiti Remover 64.21 15.93
Cold Ester            13.69 8.09
Emulsified Ester     4.39 2.84
HTF 10B               1.58 2.01
Sk Aqueous         0.18 0.33
BioT                      0.02 0.04
Shopmaster         -3.5 1.2
     
Removal of Burnt Motor Oil, Antifreeze and Aluminum Dust
  % Removal    Std Dev
Shopmaster 83.64 2.27
HTF 10B   82.91 15.49
Sk Solvent 79.8 21.32
BioT  77.22 11.03
Emulsified Ester 71.82 12.74
Graffiti Remover 61.59 24.83
Warm Ester 37.64 20.16
Sk Aqueous 24.09 14.29
Cold Ester 13.7 8.09

Success Rating:

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

Conclusion:

Quite a bit of the Ester was still on the coupons when I weighed them this morning, so this threw off the results a bit especially on the baked-on oil mixture.  All in all, though, the results looked pretty good.

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