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What is this compound on these threads?

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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What is this compound on these threads?

Unread postAuthor: U1timateWaff1e » Thu Jan 16, 2014 7:27 pm

I bought this check valve online a few days ago and the threads had this red pre-applied goop on the threads. I asked the seller what it is but they haven't replied, so I'm assuming that they don't know.

My guess is that it is some kind of thread sealant? It is hardened but the mating threads can still cut through it.

Thanks!


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Re: What is this compound on these threads?

Unread postAuthor: jackssmirkingrevenge » Thu Jan 16, 2014 7:37 pm

Yup, thread sealant.
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Re: What is this compound on these threads?

Unread postAuthor: U1timateWaff1e » Thu Jan 16, 2014 7:53 pm

jackssmirkingrevenge wrote:Yup, thread sealant.


Can you tell what kind of thread sealant? Also why isn't it on both sides?
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Re: What is this compound on these threads?

Unread postAuthor: jackssmirkingrevenge » Thu Jan 16, 2014 8:29 pm

No idea, usually they put them on all made threads, for example: http://www.parker.com/portal/site/PARKE ... LANT&Wtky=
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Re: What is this compound on these threads?

Unread postAuthor: POLAND_SPUD » Thu Jan 16, 2014 9:33 pm

interesting.... I wonder if it's possible to replicate it using commonly available materials?
like a very thin film of hot glue or something
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Re: What is this compound on these threads?

Unread postAuthor: jackssmirkingrevenge » Thu Jan 16, 2014 9:49 pm

http://www.permatex.com/products-2/prod ... d-sealants

There are tons of products out there. I just use Araldite :) of course it's only good for permanent joins, as are these sealants.
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Re: What is this compound on these threads?

Unread postAuthor: U1timateWaff1e » Thu Jan 16, 2014 10:32 pm

jackssmirkingrevenge wrote:http://www.permatex.com/products-2/product-categories/thread-compounds/thread-sealants

There are tons of products out there. I just use Araldite :) of course it's only good for permanent joins, as are these sealants.


Wait so is the sealant that came on my threads permanent? As in if I thread it into a female portion those two will be permanently fused? It would be very interesting to me if it somehow activates only when threads cut into it.
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Re: What is this compound on these threads?

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Re: What is this compound on these threads?

Unread postAuthor: Ragnarok » Thu Jan 16, 2014 11:06 pm

U1timateWaff1e wrote:As in if I thread it into a female portion those two will be permanently fused?

No. It's permanent in that it's "make once" - it won't seal a joint that's repeatedly assembled and disassembled.
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Re: What is this compound on these threads?

Unread postAuthor: U1timateWaff1e » Fri Jan 17, 2014 12:25 am

Ragnarok wrote:
U1timateWaff1e wrote:As in if I thread it into a female portion those two will be permanently fused?

No. It's permanent in that it's "make once" - it won't seal a joint that's repeatedly assembled and disassembled.


Ahh I see. So if I were to assemble and then disassemble the joint what should I do to reseal it? Can I still add teflon tape or more pipe sealant over it?
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Re: What is this compound on these threads?

Unread postAuthor: PeteS » Fri Jan 17, 2014 6:10 am

U1timateWaff1e wrote:
Ragnarok wrote:
U1timateWaff1e wrote:As in if I thread it into a female portion those two will be permanently fused?

No. It's permanent in that it's "make once" - it won't seal a joint that's repeatedly assembled and disassembled.


Ahh I see. So if I were to assemble and then disassemble the joint what should I do to reseal it? Can I still add teflon tape or more pipe sealant over it?


Not sure what is proper, I wire brush it off and add teflon tape or or paste, but I typically clean off and redo any sealers.
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