Brake Fluid

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Product Information

EBC offer a DOT3 grade brake fluid, a high spec glycol fluid for general use, a higher grade DOT4 glycol and finally a race grade high temperature glycol known as BF307.

The only difference between DOT3 and DOT 4 brake fluids is their purity, DOT 4 simply has less water in it than DOT 3. Do not confuse the rather crazy option some manufacturers have exhibited to produce a DOT 5 Glycol with the popular market Silicone DOT 5 fluid. As crazy as it sounds we now have two DOT 5 fluids out there one Glycol and one silicone which if mixed will cause disaster either way.

Glycol fluids have a nasty characteristic of being “Hygroscopic” in that they attract and absorb water. This means that over the years the fluid in your vehicle system will degrade by the absorption of water. It is not uncommon to find glycol fluids containing up to 13 or 14% water which of course corrodes internal steel parts in your brake system and will promote early brake fade under heavy brake use. It also means that glycol fluids should be used only form a sealed container which once opened starts the degradation process immediately.

For this reason EBC Brakes to not sell “Gallon drums” of brake fluid which have a definite shelf life and prefer to sell only in small bottles so that the fluids can remain sealed until used and to minimise waste.

Glycol fluid is also highly corrosive and even contact with paintwork by damp fingers after working with fluids can cause severe paint damage, cleaning hands is essential when working with glycol and make sure you don’t touch paintwork when doing so.

Silicone Fluids are commonly classed as DOT 5 and we remind you again these cannot be mixed with glycol fluids. Many US Built custom big twin motorcycles use silicone brake fluid, their systems are designed for it. Silicone is wildly expensive but has the advantage that it is not hygroscopic (does not degrade by absorbing water) and does NOT damage paintwork. It therefore has a place in the brake fluid choice line up but again, make sure your system will handle it by referring to the owner’s manual.

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Specifications

EBC BF307+ Racing Brake Fluid offers outstanding performance under racing conditions where braking systems must operate at very high temperatures. For best results bleed the system with fresh fluid before each race, especially if the brakes are excessively hot and/or the conditions are humid. Do not mix EBC 307+ with other brake fluids or its outstanding performance may be compromised.

Product conforms to and exceeds the current specification U.S. FMVSS 571.116 DOT 4. Typical Dry Boiling Point: 310 C (590 F). Minimum Wet Boiling Point: 195 C (383 F). Not suitable for some Citroen or other vehicles requiring a mineral based fluid (LHM). If in doubt consult vehicle handbook.

Not recommended for use with components made from magnesium or alloys with high magnesium content.

A highly refined DOT 4 based Glycol fluid that has less tendency to cause vapour lock. Please remember that once you open this container it will start to degrade so it is important to use it, seal your vehicles brake system and discard the remainder of the can due to shelf life issues. CANNOT be mixed with Dot 5 silicone fluids.