The purpose of this experiment was to perform a 60-minute heated immersion test on Mirachem 500 using Contaminant #4. Test requested by company.
Date Run:
10/05/2020
Experiment Procedure:
A solution of Mirachem 500 was prepared to a concentration of 25% and heated to 120°F. Three glass coupons were obtained, and an initial weight was recorded. Coupons were then soiled with Rosin #4 and a dirty weight was recorded. Once the cleaning solution reached the proper temperature, coupons were submerged into the beaker for 60 minutes with observations recorded at 5, 15, 30 and 60 minutes. Coupons air-dried for 24 hours, and a clean weight was recorded. The effectiveness of the cleaner was determined.
Trial Results:
Cleaner
Initial wt of cont
Final wt of cont
%Cont Removed
%AVG
Observations
Mirachem 500
0.1047
0.0101
90.35
64.44
5: Soil still present, slight dissolve
0.1953
0.0857
56.12
15: Some dissolving on all coupons
0.2883
0.1532
46.86
30: Soil slowly dissolving
60: Coupon 1: Almost all soil gone,
Coupon 2: Some soil removed,
Coupon 3: Little soil removed
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Mirachem 500 removed an average of 64.44% of soil from glass coupons via heated immersion.
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