SILICONE DOT 5 BRAKE FLUID EXCEEDS FMVSS SEC. 571.116 DOT 5 SILICONE BASE MOTOR VEHICLE BRAKE FLUID SPECIFICATIONS. MIXES WITH ALL FLUIDS MEETING SUCH SPECIFICATIONS. DOT 5 BRAKE FLUID MAY NOT BE MIXED WITH DOT 3 AND DOT 4. DOT 5 MAY BE USED TO REPLACE EITHER DOT 3 OR DOT 4 IF A COMPLETE SYSTEM FLUSH IS DONE. FOR USE IN ALL DRUM OR DISC HYDRAULIC BRAKE SYSTEMS, EXCEPT SYSTEMS USING MINERAL-BASED FLUIDS (LHM). BOILING POINT:  DRY 500°F, WET 365°F.