Brake fluid characteristics

Brake fluid characteristics

Brake fluid characteristics

 

Brake

Low compressibility

Constant boiling point

Constant boiling point

Low freezing

Low freezing point

Lubrication of moving parts

Lubrication of moving parts

Materials compatibility

Materials compatibility

Anticorrosion protection

Anticorrosion protection

Oxidative resistance and thermal stability

Oxidative resistance and Thermal stability

Brake liquids must keep up low level of compressibility which stays low when temperatures and pressure vary.

Water/dampness can be found in all slowing mechanisms. Dampness goes into the slowing mechanism in a few ways.

For instance buildup can frame in lines and calipers. As caliper and line temperatures heat up and after that cool more than once, buildup happens, abandoning an expansion in dampness/water. After some time the dampness gets to be caught in the inner segments of calipers and lines master cylinders.

For dependable, predictable stopping mechanism operation, brake liquid must keep up a consistent thickness under an extensive variety of temperatures, including compelling chilly.

This is particularly vital in systems with a non-freezing stopping mechanism (ABS), footing control, and stability control.

Both master and slave barrels of drum and plate slowing mechanisms contain cylinders which must have the capacity to move openly.

To reduce friction and wear, polygycols are added to break liquids as oils.

Brake liquids must be consistent with stopping mechanism materials.

Seals swelling tests are done at 70°C and 120°C on standardized SBR and EPDM elastic examples and on particular elastomers utilized by OEMs.

Amid these tests changes in the volume, width and hardness of the specimens are measured.

Additives substances (consumption inhibitors) are added to the base liquid to secure metal utilized inside segments, for example, calipers, expert chambers… against erosion.

Braking is the transformation of motor vitality into warmth by contact. The amounts of warmth that outcome are significant and rely on upon the weight and speed of the vehicle.

Nevertheless, under great states of operation, brake liquids achieve temperatures of more than 150°C. Their cracking  phenomenon  is an immediate measure of their warm steadiness. This is controlled by the nature of glycol ethers segments and the amount and nature of antioxidants.

Antioxidants enhance the warm steadiness furthermore hold up the maturing of the liquid by oxidation into acidic parts.

 

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