100% Synthetic brake fluid, for all hydraulic actuated brake and clutch systems, meeting DOT 4 as per manufactures recommendations. Mixable with DOT 3, DOT 4 and DOT 5.1 NON SILICONE BASE products Dry boiling point 251°C / 484°F Wet boiling point (171°C / 340°F) Standards: FMVSS No. 116 DOT 4, SAE J 1704, ISO 4925 Class 4, JIS K2233 Class 4