BEL-RAYØSilicone DOT 5 Brake Fluid exceeds FMVSS Sec. 571.116 DOT 5 silicone base motor vehicle brake fluid specifications.Ø DOT 5 brake fluid mayØNOT 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.Ø For use in all drum or disc hydraulic brake systems, except systems using mineral-based fluids (LHM). Boiling Point: Dry 500¿F /ØWet 365¿F 355 mlØ (12 per case)