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PVC Grease/lubricant?

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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PVC Grease/lubricant?

Unread postAuthor: gwoloshyn » Fri Oct 12, 2007 3:43 pm

I put this in the pneumatic section because most people use grease of some sort to lubricate their piston valve. Which type of grease do you use and what is most safe on pvc?
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Unread postAuthor: c19o » Fri Oct 12, 2007 4:23 pm

I use white lithium grease, it doesn't eat away your pvc or o-rings. You can get it at O' Reilly Autoparts for about $4.
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Unread postAuthor: knappengineering » Fri Oct 12, 2007 4:29 pm

good, old wd-40 works for me, especially for lubricating blow gun valves by just unscrewing it and putting some on and then putting it back together
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Unread postAuthor: Gepard » Fri Oct 12, 2007 4:33 pm

Silicone based ones are good then there's also the water based ones :wink: :wink:
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Unread postAuthor: c19o » Fri Oct 12, 2007 4:37 pm

Doesn't wd-40 eat away the o-rings?
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Unread postAuthor: mtronic » Fri Oct 12, 2007 5:03 pm

What would be a safe lube to use on poly pipe? Im trying to finish my piston off and need to lube it. :lol: i cant say I need to lube my piston with a straight face :lol:
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Unread postAuthor: spudgunnerwryyyyy » Fri Oct 12, 2007 5:16 pm

White lithium grease is the best as c19o mentioned. Its thick, works great and doesn't degrade plastics.
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Unread postAuthor: mtronic » Fri Oct 12, 2007 5:26 pm

ok thanks for the help mate
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Unread postAuthor: silverdooty » Fri Oct 12, 2007 7:42 pm

bacon fat on my pistons. teflon tape and my threads. boeshield t-9 on my blowgun
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Unread postAuthor: HaiThar » Fri Oct 12, 2007 7:58 pm

silverdooty wrote:bacon fat on my pistons. teflon tape and my threads. boeshield t-9 on my blowgun


Do it like a redneck! :wink:
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Unread postAuthor: rna_duelers » Fri Oct 12, 2007 8:51 pm

Lithium grease all the way,it's pretty cheap when you buy a large container of it and it lasts for what seems forever.
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Unread postAuthor: cdheller » Sat Oct 13, 2007 11:47 am

Gwoloshyn wrote
" Which type of grease do you use and what is most safe on pvc?"
what I use ?

silicon based (spark plug boot lube) grease .
Its made to not attack rubber compounds ,is slicker than snot ,couple of bucks at the auto parts store


i use it on my airguns and some firearms because it also stays at the same thickness or viscosity . doesn't thicken in cold or thin in heat.

the safest ?

thats easy
pipe lube (do a Google search)
made for ,tested and approved for use on pipes and gaskets.

It's water based and will eventually dry,
their claim of it being tasteless is not true :shock:

for what its worth,
plumbing fixtures come with a little packet of plain petroleum jelly for lube
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Unread postAuthor: jackssmirkingrevenge » Sun Oct 14, 2007 8:51 am

On the more questionable side you can use lubes like KY Jelly, personally I use moly grease.
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Unread postAuthor: iknowmy3tables » Sun Oct 14, 2007 3:58 pm

I belive mineral oil or air compresor oil are designed for lubricating stuff with rubber seals so it should work great
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Unread postAuthor: mtronic » Sun Oct 14, 2007 4:38 pm

their claim of it being tasteless is not true Shocked
I dont know what you use your lube for......midnight snack? :lol: hahahah jk
Id agree with the drying up and if you got it dirty it would clog up with grit :(
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