Topica Loopframe_Guzzi Archive


Subject: RE: oil leak

Author: Tom Bowes

Date: Jul 6, 2001, 6:50 PM

Post ID: 1707397310


Robert,

My observation is that the durometer of the neoprene rings is usually a
bit lower than that of the BUNA, which makes them slighlty softer. The
neoprene usually appears to be a shade darker than the BUNA, but this is
not a reliable indicator. My guess is that the average person would have
a very hard time telling them apart. The reason that you find the
neoprene variety in the hardware store is because it is suitable for use
in potable water systems.


Tom

'70 Ambassador
'82 V50-III
Shelby Township, Michigan

Robert Hawkes wrote:
 Tom,
OK, I believe you, but can you tell by sight or feel the difference
between
neoprene o-rings and Buna o-rings? Bob Hawkes
----- Original Message -----
From: Tom Bowes <kk-@home.com>
To: <Loopfram-@topica.com>
Sent: Thursday, July 05, 2001 10:21 PM
Subject: RE: oil leak


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The difference between the Home Depot o-ring and the real McCoy is that
plumbing o-rings are made out of neoprene and the automotive ones are
(usually) made out of BUNA. The neoprene one will cost you one-tenth as
much and will usually last half as long since BUNA is more resistant to
oil and petroleum by-products.

Tom

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