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Old 04-18-2012, 11:26 PM #1
L3G0
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BUNA vs HNBR vs VITON

What is the difference between Buna, Viton and HNBR orings? and whats the difference with Buna and Buna Quad?

I was on oring monkey and just a bit confused as to which ones are usable and which aren't.

are the Buna quad's better to use then the standard buna's?

Last edited by L3G0 : 04-18-2012 at 11:29 PM.
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Old 04-19-2012, 03:29 AM #2
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buna, viton and hnbr are just different materials used to make orings.

typically, buna's wear out quicker. but are much cheaper.

hnbr orings are 70's (which is the hardness or rigidness of the oring, the higher the harder :-) ). and are green. last longer than bunas.

buna can come in 70 or 90. and are typically black..

viton can come in 75 or 90. and are typically brown. these are the most expensive orings, and last longer than bunas as well.

the higher the number the tighter the fit usually as well.

but you can use any of them for just about any oring in your marker. all that matters is if it is the appropriate fitment.

quad orings aren't recommend for most paintball markers. i never use them atleast. they are slightly different in design than other orings. they are in the shape of and X rather than round. they also are better at preventing twisting in the grove they sit because of this design.
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Last edited by Nexxux : 04-19-2012 at 03:37 AM.
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Old 04-19-2012, 10:26 AM #3
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I tried some quad O-rings in a couple of markers before and they didn't seem to do anything special for them and were a total pain to deal with. I normally stock to HNBR and Vitons in my spool valve markers and Buna's in everything else except bolt O-rings I like the HNBR's.
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Old 04-19-2012, 10:59 AM #4
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Quote:
Originally Posted by Kazer View Post
I tried some quad O-rings in a couple of markers before and they didn't seem to do anything special for them and were a total pain to deal with. I normally stock to HNBR and Vitons in my spool valve markers and Buna's in everything else except bolt O-rings I like the HNBR's.
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Old 04-19-2012, 02:22 PM #5
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I usually stick to all bunas in my axe. And all bunas in my luxe except for when I need a tighter fit...I use vitons. For my 3rd inner can oring.
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