The five cleaners from the previous trial that caused a weight increase of the wax were used at the same dilutions, temperature and time. Each solution was de-gased in a Crest 40 kHz ultrasonic tank heated to 110 F. Fifteen preweighed coupons were coated with beeswax and allowed to cool before taking a dirty weight. Three coupons were cleaned in each solution for 5 minutes using ultrasonic energy. Coupons were rinsed at 110 F for 15 seconds using tap water and dried for 1 minute at 300 F using the Master Appliance heat gun.Final weights were recored and efficiencies were calculated for each solution.
Trial Results:
Three of the products showed significant improvement with the addition of ultrasonic energy in the cleaning process. Texolite jumped to a 95% efficiency, Polyspray increased to 73.5% and Inproclean averaged 62.52%. The other two removed less than 10% of the wax. The table below lists the results for each product.
Cleaner
Coupon 1
Coupon 2
Coupon 3
Average
Std Dev
EXP 1400
-0.60
10.90
5.09
5.13
5.75
Inproclean
63.08
67.65
56.84
62.52
5.43
Texolite
90.59
94.63
99.79
95.00
4.61
Polyspray
75.19
68.75
76.55
73.50
4.16
Uni Clear
0.63
13.31
-8.51
1.81
10.96
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The three products that improved with ultrasonics will be evaluated again at increased concentrations and cleaning times.
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