Re: [TR] Changing from DOT 3 to DOT 5 Fluif

[Roger Elliott <elliottr@rmi.net>]

These 2 paragraphs are from DOT's '571.116 Standard No. 116; Motor 
vehicle brake fluids.

*Brake fluid* means a liquid designed for use in a motor vehicle 
hydraulic brake system in which it will contact elastomeric components 
made of styrene and butadiene rubber (SBR), ethylene and propylene 
rubber (EPR), polychloroprene (CR) brake hose inner tube stock or 
natural rubber (NR).


*A silicone base brake fluid* (SBBF) is a brake fluid which consists of 
not less than 70 percent by weight of a diorgano polysiloxane.

Seems to indicate that silicone brake fluid has to be designed to work 
with the same seals that other brake fluifs work with.  (DOT obviously 
doesn't know the proper spelling).

Roger Elliott

** triumphs@autox.team.net **

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