The supplied cleaning product was used at the recommended concentration (2%).
Three preweighed aluminum and ceramic coupons were coated with an oil-grease mix collected from a dirty engine using a handheld 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 Wypall X60 reinforced wipe 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 solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 20 cycles (~30 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded, and efficiencies recorded.
The #120 Peroxide Multisurface Cleaner was effective in removing the oil-grease mix from the two surface types. The table lists the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.
| Cleaner
|
Initial wt
|
Final wt
|
% Removed
|
| Aluminum
|
0.0387
|
0.0069
|
82.17
|
|
|
0.0239
|
0.0045
|
81.17
|
|
|
0.0289
|
0.0044
|
84.78
|
| Ceramic
|
0.0206
|
0.0008
|
96.12
|
|
|
0.0135
|
0.0013
|
90.37
|
|
|
0.0109
|
0.0017
|
84.40
|