To evaluate different cleaning parameters for resin cleaning
Date Run:
07/10/2008
Experiment Procedure:
The top six products from the previous trials were selected based on successful removal of the resin were used at full strength in 300 ml glass beakers. Solutions were used at room temperature. Twenty-four preweighed aluminum coupons were coated with the Mereco ECN 809 Base Black resin using a swab. Coupons were weighed a second time to determine the amount of soil added. Three coupons were immersed into each product and cleaned for 60 minutes using no agitation. The coupons were rinsed with tap water for 15 seconds at 68 F and were allowed to air dry for one hour at room temperature. Final weights were recorded, and efficiencies were calculated. Coupons also were visually analyzed to determine the level of residue left on the coupons.
Trial Results:
All of the products removed more than 98% of the resin from the aluminum coupons. The Green Solutions floor stripper removed over 100% which could signify that the product was damaging the aluminum coupons. No visual damage was noted however. The table lists the amount of soil added, the amount remaining after cleaning and the calculated efficiency for each coupon cleaned.
Cleaner
Initial wt
Final wt
% Removed
Visual Residue Rank
EZ Solv
2.5759
0.0242
99.06
1 best
1.8430
0.0307
98.33
1.9669
0.0336
98.29
Maxi Solv
1.8140
0.0118
99.35
5
1.7501
0.0373
97.87
1.4985
0.0352
97.65
Graffiti Remover SAC
1.8031
0.0137
99.24
2
2.0562
0.0125
99.39
1.6080
0.0105
99.35
Green Solutions
3.1035
-0.1226
103.95
6
2.2383
-0.1207
105.39
1.4439
-0.1328
109.2
Bio T Max
3.4519
0.0074
99.79
3
3.4223
0.0297
99.13
3.0610
0.0080
99.74
Smart Solve 605
2.3706
0.0396
98.33
4
2.4653
0.0312
98.73
3.0237
0.0458
98.49
Success Rating:
A follow up test, usually based on company input.
Conclusion:
All six products will be tested again using no rinse, but air blow off drying.
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