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Other O-rings

December 27 2008 at 5:40 PM

Joe Burnett (Login CycloneJoe)
Members

Response to Re: O/T Sealant for brake fluid

The green o-ring is made from Buna-N rubber and its pretty good. O-ring material that performs better than Buna-N with brake and hydraulic fluid are: PTFE, Kalrez, FEP, AFLAS and Fluoro-silicone. You'll want an o-ring in the 70-80 shore A hardness range. Make sure the mating surface is clean and free from radial scratches.

Joe

This message has been edited by CycloneJoe on Dec 27, 2008 5:41 PM

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OMG I'd have lost a fortune on that bet...... Being in filtration I'm no stranger to high - qikBBstang on Dec 27, 2008, 9:12 PM

BB let me explain the hardness... - Joe Burnett on Dec 27, 2008, 10:14 PM

Joe your statements make sense but in the "real world" I can't help but grin - qikBBstang on Dec 28, 2008, 9:17 AM

Here's a couple of 'real world' examples back at ya! - Joe Burnett on Dec 28, 2008, 10:21 AM

LOL Joe I'm sorry I certainly did not know you were in Rocket Science - qikBBstang on Dec 29, 2008, 5:55 PM

The green Buna is good for R-134 AC stuff - Bill Ballinger on Dec 29, 2008, 8:47 PM

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