The Inproclean #2000 is a no foaming version of the Inproclean #3800. The Inproclean 61B is a powdered aluminum and steel cleaner.
The Inproclean #2000 will be used at 10% by volume concentration while 20 grams of Inproclean 61B will be dissolved in 500 ml of water. Cleaning will take place at 150 F for 20 minutes. The coupons will then be rinsed for 2 minutes in 150 F tap water and dried under air knives for 2 minutes and dried in a convection oven set at 120 F for one hour. Gravimetric analysis will be used to estimate the removal of all four contaminants. The coupons will be observed under a black light to notice any residual wax or quench oil. FTIR will be used to notice any non-visible traces of waxes or oils.
SUBSTRATE MATERIAL: #1- 6061 Aluminum coupons, #2- 110 Copper Coupons, #3- 260 Brass Coupons, #4 Carbon Steel pieces
CONTAMINANTS: #1- Wax, #2- Tap magic cutting fluid, #3- SafeTap grinding lubricant, #4- CI Hayes Quench Oil CONTAMINATING PROCESS USED: coupons were dipped in wax and the oils were applied with a swab.
Trial Results:
Absolutely no foam, and very good wax and oil rejection. There was no etching on any of the coupons. As in all previous trials there is a slight bit of wax remaining on the coupons. Visually, all the oils were removed but a slight bit of Safetap was detected by the FTIR. Definitely need more mechanical energy to remove the wax residue. Increased air agitation with brushing should accomplish this. Probably one of the best wax removers, but the Inproclean 61B foams up quite a bit and it etches the brass pretty bad, shouldn't be considered by Plating Job Shop.
EXPERIMENTAL DATA LOG
GRAVIMENTRIC ANALYSIS
Sample # and substrate
clean mass (g)
mass with contamination (g)
mass after cleaning (g)
contaminant removed (g)
Percent Removal
#4-Al
20.9807
21.7228
21.0077
0.7151
96.36%
#10-Al
20.9982
21.7389
21.0008
0.7381
99.65%
#3545- Cu
35.3483
36.0925
35.3498
0.7427
99.80%
#4076- Cu
35.4014
36.2451
35.4019
0.8432
99.94%
#4687-Br
34.4644
35.2208
34.4650
0.7558
99.92%
#4080-Br
34.4050
35.1950
34.4066
0.7884
99.80%
#23-Steel
128.7159
129.8784
128.7243
1.1541
99.28%
#69-Steel
152.9184
154.2190
152.9235
1.2955
99.61%
#18-Al
21.0125
22.4750
21.0126
1.4624
99.99%
#26-Al
21.0039
22.3597
21.0040
1.3557
99.99%
#5581-Cu
35.5524
36.5757
35.5524
1.0233
100.00%
#4509-Cu
35.4532
36.2085
35.4527
0.7558
100.07%
#5054-Br
34.4965
35.4915
34.4968
0.9947
99.97%
#4459-Br
34.4373
35.3729
34.4364
0.9365
100.10%
#37-Steel
176.2809
178.4399
176.2828
2.1571
99.91%
#53-Steel
132.4426
133.8878
132.4431
1.4447
99.97%
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
The Oakite Inproclean #2000 is probably the most promising of the cleaners tested to date. Need to further test for Plating Job Shop next week.
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