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Old 12-09-2009, 09:18   #1
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Penetrating Fluids

According to the linked tests (Cortec Corp), VpCI SuperPenetrant out performed PB Blaster and CRC Freeze Off SuperPenetrant.
http://www.cortecvci.com/Publication...5%28bis%29.pdf

What’s your favourite “magic” potion for freeing up frozen/corroded fasteners etc?
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Old 12-09-2009, 09:42   #2
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Liquid Wrench or Kroil$$
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Old 12-09-2009, 09:44   #3
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In CA this stuff works Google Deal We can not buy some of the good stuff in the state because of the environmental laws.
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Old 12-09-2009, 10:16   #4
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For me what you have is better than what you don't. I always have WD40 around It's a poor lubricant and a moderate penetrating fluid but a great tool cleaner. I fined time will be the most productive ingredient. Any penetrating oil left 24 hours will out perform the best just applied.

For a home brew a 50/50 mix of automatic transmission fluid and acetone. But any light oil and acetone will work in a pinch.
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Old 12-09-2009, 10:27   #5
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For me

For me I have three that I use for most penetrating needs. Kroil, PB Blaster and Thrust with all being almost identical in performance so I mostly use PB because it's available everywhere...

The rest of them I've tried couldn't penetrate a condom with a razor blade & WD-40 is a joke unless you want to clean lipstick off a counter top..

Please be very careful with REAL penetrating fluids. PB Blaster can ruin engine seals or transmission output shaft seals. Ask me how I know... Doh!

I have not tried VpCI SuperPenetrant but am always weary & a bit skeptical when a company puts out their own, self published, white paper claiming superiority.

Having grown up working on boats and antique cars I know how Thrust, PB and Kroil work and they work very well, I also know, from experience & use, that WD does about as much as using water and Liquid Wrench is not far behind..
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Old 12-09-2009, 10:38   #6
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I call mine liquid wrench....a small welding torch.........i2f
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Old 12-09-2009, 12:38   #7
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Kerosene is the best penetrant for most metal but stinks to high heaven. It sounds silly but peppermint(spearmint?)oil also works very well. I used to be able to find it at the pharmacy but then I could get syringes and Sudafed over the counter in those days too. Syringes make great droppers for peppermint oil.............m
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Old 12-09-2009, 16:04   #8
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Even Coca Cola works better than WD40.

Take 2 disposable cups and two equally rusted screw/bolts/nuts. Put one with a little wd40 in a cup and the other with Coca Cola. Look the next day... surprise!

cheers,
Nick.
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Old 12-09-2009, 16:21   #9
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acetone mixed with brake fluid works pretty good, dirt cheap too, just have to keep it off painted surfaces.

michael
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Old 12-09-2009, 17:15   #10
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WD 40 = Water Displacer formula 40. It was never designed to be metallic bond penetrating medium.
Saw that here somewhere.
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Old 12-09-2009, 17:27   #11
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Quote:
Originally Posted by s/v Jedi View Post
Even Coca Cola works better than WD40.

Take 2 disposable cups and two equally rusted screw/bolts/nuts. Put one with a little wd40 in a cup and the other with Coca Cola. Look the next day... surprise!

cheers,
Nick.
Not a surprise WD 40 is mostly Stoddard Solvent which is similar to Kerosene, but more refined and is not very acidic at all. Coke on the other hand is quite acidic (phosphoric and citric acid) with a low PH. The acid is actually what is dissolving the rust over time. Coke will also clean pennies & copper and toilets too..
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Old 12-09-2009, 18:16   #12
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Mouse Milk. Used in the Aviation industry. Made in the USA.

Regards Bill Goodward
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Old 12-09-2009, 18:33   #13
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WD40 on boats ?

I don't use WD40 on the boat anymore...while it seemed to clean things up, I noticed after sometime they were going rusty.

It was explained to me that WD40, once the solvents have evaporated off, is hydrophilic ie attracts water...which is exactly what you don't want on a boat.

I now use stuff called INOX, it's a lanolin based spray and it is hydrophobic..ie chases water away.

I cleaned up all my tools with a wire brush and sprayed them with INOX and they haven't rusted since !

Cheers
Alan
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Old 12-09-2009, 19:01   #14
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I like PB Blaster. Works and Smells like old bananas. INOX is also a great product. I always keep some Brakekleen around for degreasing parts and getting the wd40 stains off my shirt! All these products have uses and it is not near the contest we sometimes make it.
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Old 12-09-2009, 19:05   #15
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Diesel, I always have some on board, can always find it and seems to work very well (at least as good as Mouse Milk, IME).
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