Actually leather is a pretty high perfromance seal material. One of the
perfromance factors that is not mentioned in the chart at the Web Site at
PSP is the surface speed of the shaft and seal contact. Leather can tolerate
quite high surface speeds compared to most of the other materials. So
leather English seals are not just old technology, the material is there for
a reason! There are charts that give the surface speed tolerances in some
older Chicago Rawhide seal catalogues that I have.
Greg Solow
----- Original Message -----
From: "Gary Horstkorta" <vintage.racer@comcast.net>
To: <fot@autox.team.net>
Sent: Friday, November 09, 2007 3:31 PM
Subject: [Fot] Oil Seal Material
> Here is a handy chart to compare oil seal materials, not the Dupont Dow
> Viton listing: www.pspglobal.com/low-temperature-seals.html.
>
>
>
> Gary
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