To determine the efficacy of modified alcohol Metalnox M6386 chemistry in removing various soils without the assistance of vacuum vapor degreasing equipment
Date Run:
10/26/2026
Experiment Procedure:
Three Aluminum coupons were used for testing. Each coupon was weighed using a gravimetric balance and had their initial weights recorded. Each coupon was then soiled with a pea sized amount of Mobil DTE Oil using a swab to spread it across the surface of the coupons. Each coupon was weighed again and had their dirty weights recorded. The coupons were then immersed in a beaker of the Metalnox M6386 modified alcohol with a stir bar set to 200rpm for 10 minutes. Upon removal from the beaker, the coupons were allowed to air dry for 20 minutes before being weighed and having their final weights recorded.
Analysis:
The recorded reflectance values of each coupon were used within an equation to generate a percentage representative of how close the clean reflectance value is to the initial reflectance value. It estimates how closely the coupons were returned to their original state after vacuum vapor degreasing. The equation is as follows
%=(Rclean-Rdirty/Rinitial-Rdirty)X100
Trial Results:
Soil
Initial RFU
Dirty RFU
Clean RFU
%DET
AVG
Mobil DTE Oil
61.7
2790.2
189.6
95.31
94.49
35.5
2790.7
161.6
95.42
27.7
2793.4
228.4
92.74
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Metalnox M6386 was successful in removing Mobil DTE Oil from Aluminum.
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