The Experiment

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Day 1 . two pieces of mild steel were degreased and polished, one was coated in WD40 the other 3 in 1 oil applied. Two egg cups were filled with a strong saline solution and left in all day, at night both pieces were taken out and left to dry to encourage oxidisation.
Day 2 . 3 in 1 is quite rusty WD still OK

wd40 - 3in1.jpg




next up was Muc-off C3 ceramic Lube Vs WD40
the photo say it all after 2 days

wd40 muc off.jpg




Next up was The Original Green Oil Vs WD40
this was the best so far after 3 days, but WD40 is the outright winner

wd40 green.jpg
 

I like Skol

A Minging Manc...
Too many variable for a fair comparison IMO. I mean, one peg was blue and the other red, the test was flawed from the start..... :whistle:
 

Spinney

Bimbleur extraordinaire
Location
Back up north
Interesting - especially in view of the oft-stated pronouncement on here that thou shalt not lubricate thy chain with WD40!
 

winjim

Straddle the line, discord and rhyme
Interesting - especially in view of the oft-stated pronouncement on here that thou shalt not lubricate thy chain with WD40!
But the experiment tells you nothing about the lubricating properties of the reagent, only that it inhibits electrochemical oxidation of the substrate. Well it might, I don't know, there's no control.
 

swee'pea99

Squire
At the risk of stating the bleedin' obvious, WD-40 is a Water-Dispersant, so you'd expect it to be pretty good at avoiding saline solution - ie, salt in water. I'm sure if you tested for lubrication against 3-in-1, the results would be equally clear-cut, and t'other way around.
 

Levo-Lon

Guru
I always coated metal parts with wd40 on my motorbikes.
applied with a cloth And not sprayed.
its damn good stuff for keeping things looking good over winter..

its crap for chain lube..
 

vernon

Harder than Ronnie Pickering
Location
Meanwood, Leeds
Day 1 . two pieces of mild steel were degreased and polished, one was coated in WD40 the other 3 in 1 oil applied. Two egg cups were filled with a strong saline solution and left in all day, at night both pieces were taken out and left to dry to encourage oxidisation.
Day 2 . 3 in 1 is quite rusty WD still OK

View attachment 91988



next up was Muc-off C3 ceramic Lube Vs WD40
the photo say it all after 2 days

View attachment 91989



Next up was The Original Green Oil Vs WD40
this was the best so far after 3 days, but WD40 is the outright winner

View attachment 91990

What was the hypothesis that were you testing?
 

drummerbod

Senior Member
Location
South Derbyshire
Lubrication and protection are two different things.

If you want to protect something from corrosion then coat it with WD40\GT85. If you want to lubricate moving parts then use a lubricant like oil.

WD40\GT85 wash away the proper lubricant like oil\grease.
 

IDMark2

Dodgy Aerial
Location
On the Roof
So your tests show that Green Oil is the closest thing you had to WD40 you could use if there's no WD40 for stopping bits of metal going rusty in eggcups?
Can you do GT85, I reckon that might be close as well? :smile:
 

Tin Pot

Guru
Interesting - especially in view of the oft-stated pronouncement on here that thou shalt not lubricate thy chain with WD40!

In an office equipped with Lego and Bean Bags somewhere, a brand monitoring company have just hit the Panic Button.

A take down notice will be inbound...
 
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