This standard applies to the reservoir, which is installed at the joint between the cylinder pod and the reservoir of automobile hydraulic brake master cylinders that use non-mineral oil based brake fluid, to prevent fluid leakage and to prevent foreign objects, water, etc. from entering the interior. Rubber seals (hereinafter referred to as reservoir seals) are specified.
JIS D 2612:2005 history
2005JIS D 2612:2005 Automotive parts -- Reservoir seals for hydraulic brake master cylinders using a non-petroleum base hydraulic brake fluid
1995JIS D 2612:1995 Automotive parts -- Reservoir seals for hydraulic brake master cylinders using a non-petroleum base hydraulic brake fluid