Author Topic: WD40  (Read 128 times)

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Offline IceBlerk

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WD40
« on: October 09, 2017, 11:39:14 AM »
Apart from smelling lovely, is WD40 good for cleaning an air rifle barrel?

Or is a dry patch as good as anything?
« Last Edit: October 09, 2017, 11:44:32 AM by IceBlerk »

Online Gambo

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Re: WD40
« Reply #1 on: October 09, 2017, 04:23:11 PM »
I'd advise against using WD40 on most airguns, and most other sorts of guns for that matter.

The reason being is that WD40 is an ANTI rust formula.........and seeing as the gun bluing on most barrels, cylinders etc is a form of controlled rust, then it's easy to understand why using an anti rust treatment such as WD40 could be detrimental.

Yep, just use a dry patch, or if you feel the need to use some sort of cleaner, then a tiny amount of bore cleaner or silicone oil can be used. On no account use a mineral based oil, especially in a precharged airgun, for fear of detonation.

Offline IceBlerk

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Re: WD40
« Reply #2 on: October 10, 2017, 07:26:41 AM »
Sound advice. Thanks.

Offline Baggawind

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Re: WD40
« Reply #3 on: October 10, 2017, 12:06:41 PM »
It also destroys rubber seals.

Online airgunnut

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Re: WD40
« Reply #4 on: October 10, 2017, 01:06:01 PM »
WD40= water displacement 40th attempt at getting the formula right https://wd40.com/faqs

if i have to clean the bore of my guns (when i first get them then when the groups start to open up) i use vfg cleaning system http://www.waffenpflege.de/en/products-cleaners/air-and-co2-guns/felt-cleaners.html
http://www.jsramsbottom.com/categorylist/gun-care--lubes-vfg-weapon-care/
its small felt wads that have a small hole drilled into the ends so they can be screwed onto a rod or pull through, 2 types of wad, normal and intensive, you use the intensive first with some of the compound (an ultra ultra fine grinding past) to scrub out the lead/rust then you use the normal wads with a bit of Teflon grease to remove the compound residue , the bore is clean when you see a particular pattern on the normal wads, if using the rod you scrub the bore, with the pull through its just a straight pull through.http://planetairgun.com/index.php?topic=4995.msg57528#msg57528
there is shoot through wads that help keep a clean barrel cleaner for longer.

with pcp guns the blast of compressed air freezes the back of the pellet (as the air expands it cools down (see boyle's law) this can freeze the skirt (the thinnest bit of a pellet) as it inflates it, tiny bits of lead flake off, as the barrel warms back up (the first 3-6 inch is the most exposed to the cooling effect) any moisture will condense out of the air, this will evaporate or course rust, if you clean the barrel regularly, you might get the bore to look like a mirror but the lead fragments could still be there with rust under them ( the lead is almost invisible as it can shine like metal).
i have cleaned airgun barrels that looked like mirrors but the wads had rust on them after cleaning the barrel.

with pcp airguns the blast of compressed air reduces in temp as it enters the barrel so moisture condensates in the barrel
with spring airguns the air heats up as its compressed as it enters the barrel so it warms up the barrel helping the moisture evaporate
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