Trial #8
To evaluate Crystal Simple Green at 10% solution for new pre-soiled samples.
There are no related objects.
The pre-soiled parts were weighed for dirty weights. The Crystal Simple Green was heated to 140 F and placed in the ultrasonics tank. The parts were then placed in the ultrasonics tank for 10 minutes and 5 minutes, one two parts for each timeframe. The coupons were taken out and left to dry; once the coupons were dry the clean weights were taken. After clean weights, the coupons were wiped down and weighed for initial weights. Visual observations were also noted.
Crystal Simple Green at a 10% concentration is effective on these substrates for 5- and 10-minute timeframes. At 10 minutes the coupons were clean with minor spotting left on the surface. At 5 minutes the coupons also had minor spotting. Steel was a slight outlier for the 10-minute duration while it did well at 5 minutes. This difference may be due to oil that had not dripped off or removed properly for the 10-minute steel part.
5 Minute Cleaning
| Substrate
|
Duration
|
Initial wt. of cont.
|
Final wt. of cont.
|
%Cont Removed
|
| Aluminum
|
5 min
|
0.0216
|
0.0014
|
93.52
|
| Steel
|
0.0362
|
0.0014
|
96.13
|
| Stainless Steel
|
0.0138
|
0.0008
|
94.20
|
10 Minute Cleaning
| Substrate
|
Duration
|
Initial wt. of cont.
|
Final wt. of cont.
|
%Cont Removed
|
| Aluminum
|
10 min
|
0.0512
|
0.0002
|
99.61
|
| Steel
|
0.0337
|
0.0065
|
80.71
|
| Stainless Steel
|
0.1422
|
0.0081
|
94.30
|
Results were effective but not as effective as previous trials. Next trial will increase concentration and focus on lowering the cleaning duration.
No relation