According to this source Buna-N is rated POOR for Brake Fluid: O-Ring Materials Compatible with Brake Fluid:
Aflas (4) Buna-N (Nitrile) (1) Butyl (4) Chemraz (0) Epichlorohydrin (1) Ethylene-Propylene (4) Fluorocarbon (1) Fluorosilicone (1) Hypalon (0) Kalrez (0) Natural Rubber (1) Neoprene (1) Nitrile, Hydrogenated (3) Polyacrylate (1) Polysulfide (3) Polyurethane, Cast (1) Polyurethane, Millable (0) Silicone (0) Styrene Butadiene (4) Teflon, Virgin (4) Vamac (1) (4) Good, both for static and dynamic seals (3) Fair, usually OK for static seals (2) Sometimes OK for static seals; not OK for dynamic seals (1) Poor (0) No Data For more info see; http://www.efunda.com/DesignStandards/oring/oring_chemical.cfm?SM=none&SC=Br ake%20Fluid#mat Joe. -----Original Message----- From: Rev. Baroon [mailto:[EMAIL PROTECTED]] Sent: Tuesday, February 26, 2002 11:56 AM To: [EMAIL PROTECTED] Subject: Re: Brake O-ring Seals What about regular brakefluid? Will that eat the Buna-N seals? Carl ============================================================================================ NOTICE - This communication may contain confidential and privileged information that is for the sole use of the intended recipient. Any viewing, copying or distribution of, or reliance on this message by unintended recipients is strictly prohibited. If you have received this message in error, please notify us immediately by replying to the message and deleting it from your computer. ==============================================================================
