Astron Synthetic Brake Fluid DOT 4

Brake fluid


  • Synthetic fluid.
  • High dry and wet boiling point, reducing vapour bubble formation.
  • Excellent protection for all metal parts in the brake system against corrosion.
  • Good protection against wear and foaming.
  • Compatible with all seals and hoses installed in the brake system.

Use instructions

Astron Brake Fluid DOT 4 is recommended for use in brake and clutch systems in vehicles that require a synthetic DOT 4 brake fluid. Astron Brake Fluid DOT 4 can be mixed with all synthetic brake fluids of the same grade.

Special instructions:

  • Store brake fluid only in sealed original container.
  • Brake fluid can cause damage to vehicle paintwork.
  • Observe manufacturer instructions!

Specifications: FMVSS 116 DOT 4, SAE J 1703, ISO 4925

Density at 20°CASTM D4052g/cm31.060
Viscosity at -40°CASTM D7042mm2/s<1500
Dry boiling point (min.)SAE J 1704°C>230
Wet boiling point (min.)SAE J 1704°C>155

The above values may vary within commercially accepted tolerances.
* meets the requirements of the OEM manufacturer