Trial #1
To evaluate supplied product for kitchen grease cleaning
There are no related objects.
Preweighed Polycarb and stainless-steel coupons were coated with a DCC-17 kitchen grease mix (lard, vegetable shortening, vegetable oil) using a handheld swab. Coupons sat over night to allow the grease to cool/harden onto the surfaces (if possible). After sitting, a second weighing was performed to determine the amount of grease that was added to each coupon. Three coupons were immersed into cleaning solutions at room temperature and cleaned for 25 minutes. At the end of the cleaning, coupons were rinsed for 30 seconds with tap water, dried and weighed. Efficiency was calculated for each coupon cleaned. A follow up 30 second rinse with tap water was used to remove any remaining residue on the surface. The coupons were dried and weighed a final time. Efficiency was calculated a final time for each coupon cleaned.
In addition to the gravimetric analysis, visual observations were made.
Neither product was consistently successful in removing the kitchen grease from the two substrates. In both cases, residue was left behind on the polycarbonate surfaces. The comparative products worked better than the supplied product under the conditions tested for the stainless steel. The table below lists the amount of soil added, the amount remaining, the removal efficiency and observations made.
1st Rinse
| Cleaner
|
Initial wt.
|
Final wt.
|
% Cont Removed
|
Observations
|
Substrate Average
|
| Delta Green Heavy Duty Cleaner Polycarb
|
|
|
|
|
|
|
|
0.0334
|
0.044
|
-31.74
|
Cleaner residue on surface
|
-27.59%
|
|
|
0.0289
|
0.039
|
-34.95
|
Cleaner residue on surface
|
|
|
|
0.0217
|
0.0252
|
-16.13
|
Cleaner residue on surface
|
|
| Delta Green Heavy Duty Cleaner Stainless steel
|
|
|
|
|
|
|
|
0.0218
|
0.0031
|
85.78
|
Visually cleaner vs TAP S.S
|
87.27%
|
|
|
0.0158
|
0.0012
|
92.4
|
|
|
|
|
0.0189
|
0.0031
|
83.6
|
|
|
| TAP Kitchen Cleaner Polycarb
|
|
|
|
|
|
|
|
0.0229
|
0.0139
|
39.3
|
Cleaner residue on surface
|
47.24%
|
|
|
0.0243
|
0.0138
|
43.21
|
Cleaner residue on surface
|
|
|
|
0.0206
|
0.0084
|
59.22
|
Cleaner residue on surface
|
|
| TAP Kitchen Cleaner Stainless steel
|
|
|
|
|
|
|
|
0.0357
|
0.0119
|
66.67
|
|
|
|
|
0.0357
|
0.0462
|
-29.41
|
|
|
|
|
0.0365
|
0.0164
|
55.07
|
|
|
The second rinse resulted in an improvement for both cleaning products from both surfaces. The comparative product still outperformed the supplied product on the stainless steel but the supplied product removed more from the polycarbonate. The overall averages for both surfaces resulted in both products removing around 60% of the grease.
2nd Rinse
| Cleaner
|
Initial wt.
|
Final wt.
|
% Cont Removed
|
Observations
|
Substrate Average
|
| Delta Green Heavy duty cleaner Polycarb
|
|
|
|
|
|
|
|
0.0334
|
0.0162
|
51.49
|
|
34.76%
|
|
|
0.0289
|
0.0195
|
32.52
|
|
|
|
|
0.0217
|
0.0173
|
20.27
|
|
|
| Delta Green Heavy dory cleaner Stainless Steel
|
|
|
|
|
|
|
|
0.0218
|
0.0024
|
88.99
|
|
90.86%
|
|
|
0.0158
|
0.0005
|
96.83
|
|
|
|
|
0.0189
|
0.0025
|
86.77
|
|
|
| TAP Kitchen cleaner Polycarb
|
|
|
|
|
|
|
|
0.0229
|
0.0127
|
44.54
|
|
51.77%
|
|
|
0.0243
|
0.0126
|
48.14
|
|
|
|
|
0.0206
|
0.0077
|
62.62
|
|
|
| TAP Kitchen cleaner Stainless Steel
|
|
|
|
|
|
|
|
0.0357
|
0.0082
|
77.03
|
|
67.37%
|
|
|
0.0357
|
0.0154
|
56.86
|
|
|
|
|
0.0365
|
0.0116
|
68.21
|
|
|
The supplied product provided more consistent soil removal from both surfaces coated with a kitchen grease mixture when using immersion cleaning and multiple rinsing steps. Both products removed around 60% of the soil from the surfaces using no mechanical agitation or wiping.
No relation