To determine the efficacy of modified alcohol Metalnox M6386 chemistry in removing various industrial soils without the assistance of vacuum vapor degreasing equipment.
Date Run:
11/02/2026
Experiment Procedure:
Three Aluminum coupons were assigned to each of 6 industrial soils; Blastocut BC 35 NF, Molykote III compound, Aeroshell 33 Grease, Phillips 66 Multiplex FS220 #2 Grease, Mobil SHC Grease, and Texaco Rando HD 46 Grease. 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 the appropriate soil 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 1 hour 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
Blastocut BC35 NF
45.7
1548.9
87.4
97.23
94.59
78.3
775.8
94.6
97.66
127.9
942.8
218.4
88.89
Molykote III compound
80.6
369.2
280.9
30.60
22.18
50.9
167.1
156.1
9.47
71.7
240.5
195.8
26.48
Aeroshell 33 Grease
95.4
236.5
119.6
82.85
47.02
2.5
226.8
156.7
31.25
1.8
225.1
164.9
26.60
Phillips 66 Multiplex FS220 #2 Grease
4.5
2797.1
2470
11.71
6.91
9.3
2795.8
2759
1.32
8.6
2791.5
2577.6
7.69
Mobil SHC Grease
63.2
1916.6
549.5
73.76
60.34
33.9
1728.7
812.8
54.04
28.9
1469.4
702.7
53.22
Texaco Rando HD 46 Grease
78.9
502.1
58.8
104.7
91.17
43.3
714.6
119.1
88.71
221.7
1797.9
536.3
80.04
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 the Blastocut BC35 NF, and Texaco Rando HD 46 Grease from aluminum. It was not successful in removing Molykote III compound, Aeroshell 33 Grease, Phillips 66 Multiplex FS220 #2 Grease, or Mobil SHC Grease.
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