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Posted: 1/19/2009 2:40:14 PM EDT
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Just messing around with some different lubes and wanted to see how they perform vs rusting.
Test coupons are parkerized steel clips that were cleaned with hot water and dishwasher soap and then rinsed in 91% isopropyl alcohol. I handled them with clean gloves during and after cleaning. Taped them to the board and applied lube with fresh cotton swabs. I was trying to get a solid film on the clips but not thick globs, kinda like how you would actually apply lube to a firearm. I'm spraying the clips with 10% salt water once a day to try to get them to rust faster. Lubes tested are: CLP, TW25, Aeroshell 7, Miltech-1, 20-50wt motor oil (Mobile 1 of course), and butter. There is also a control set in there too. The list is not in the order the coupons are taped to the board. Here is day 2. BSW 
Pic from 26jan Rust on #3 and #7. One of those is a control and the other one is a commercial lube. 
5feb update. #2 and #6 have very minor rust spots with #6 looking slightly better. 
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Quoted:
I recommend you run a duplicate strip when you do another run to verify you are treating each sample the same. A duplicate will help catch or eliminate preperation and application bias. EDIT––- I see you have a control set in there. Very good. I have 1 set of dupes. Number 1 is lube X in two different places. BSW |
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I've seen some of the other tests.
I wanted to collect some information myself as I don't own any guns that have no finish on the steel. I do have parkerized firearms. Parkerizing can influence the test as the pores in the finish can hold oil differently than bare steel. BSW |
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