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What is the difference between ENV6 brake fluid and DOT4?

1 Answers

MacDonovan

07/29/25 12:02am

Bosch DOT4 brake fluid has a viscosity grade of 1500, while ENV6 has a viscosity grade of 2300. The difference lies in their viscosity grades. Bosch DOT4 brake fluid is suitable for ordinary passenger vehicles, whereas ENV6 is much more expensive and offers superior performance, primarily designed for racing cars. Below are relevant details about brake fluid: Introduction 1: Brake fluid, also known as brake liquid or hydraulic fluid, is made from refined diesel distillate with thickeners and antioxidants. It comes in three types: mineral oil brake fluid, alcohol-based brake fluid, and synthetic brake fluid. When purchasing, choose a reliable manufacturer, and the higher the grade, the better. Introduction 2: Its working pressure is generally 2MPa, and can reach up to 4~5MPa. All liquids have the characteristic of being incompressible. In a sealed container or a pipeline filled with liquid, when pressure is applied, the liquid quickly and evenly transmits the pressure to all parts. Hydraulic braking systems operate based on this principle.

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