To evaluate client requested cleaner based on Vendor supplied information.
Date Run:
08/17/1999
Experiment Procedure:
The cleaner used was diluted to 5% using DI water in 600 ml beakers. Cleaning of the coupons was performed using stir-bar agitation at room temperature for five minutes. Coupons were rinsed using tap water at 120 F for two minutes and dried at room temperature for two hours. Gravimetric analysis was used to determine effectiveness. The small piece of buffing compound was immersed into a vial containing the 5% solution at room temperature. Cleaning lasted for 30 minutes with no rinse or dry. Visual analysis was performed to determine if the cleaner was effective in dissolving the contaminant.
SUBSTRATE MATERIAL: Liquid, Aluminum Coupons (202-2024 T-3), Nickel/Copper Coupons (202-715), Stainless Steel Coupons (202-316B-80) CONTAMINANTS: Table 1 lists the contaminants and their CAS#s
Table 1. Contaminants Used
Contaminant
CAS #
coating
64742-47-8
64742-52-5
grease
64742-47-8
lubricant
64742-47-8
9003-29-6
ink
67-63-0
9004-70-0
108-88-3
109-60-4
64-17-5
141-78-6
oil
64741-89-5
CONTAMINATING PROCESS USED: The buffing compound was immersed in the cleaning solutions. All others were applied to coupons using hand held swabs.
Trial Results:
The New Pig Degreaser was successful in removing the grease, lubricant and the oil from different substrates. It had difficulty in dissolving the buffing compound and had low efficiency in the cleaning the coating and ink. Table 2 lists the substrate, contaminant & CAS#s and the efficiencies associated with each.
Table 2. Cleaning Results
Hoofmark All Purpose Cleaner
Substrate
Substrate ID #
Contaminant
CAS #
Efficiency
Aluminum
202-2024 T-3
grease
64742-47-8
100
Aluminum
202-2024 T-3
lubricant
64742-47-8
75
64742-52-5
Nickel/Copper
202-715
ink
64-63-0
2
108-88-3
9004-70-0
109-60-4
64-17-5
141-78-6
Stainless Steel
202-316B-80
oil
64741-89-5
93
Hoofmark Industrial Degreaser
Substrate
Substrate ID #
Contaminant
CAS #
Efficiency
Aluminum
202-2024 T-3
grease
64742-47-8
91
Aluminum
202-2024 T-3
lubricant
64742-47-8
68
9003-29-6
Nickel/Copper
202-715
ink
67-63-0
1
9004-70-0
108-88-3
109-60-4
64-17-5
141-78-6
Stainless Steel
202-316B-80
oil
64741-89-5
61
Success Rating:
A follow up test, usually based on company input.
Conclusion:
New Pig Degreaser was found to be effective in removing some of the contaminants tested. Grease, lubricants and oils were easily removed using a 5% solution for five minutes at room temperature.
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