Sigma Brake Fluid Dot-4 is a high performance poliglycol type Brake Fluid (Dot-3) Designed to use in brake and clutch systems. It optimizer the benefits of superior boiling point and high vapor lock temperature through its service life.

Sigma Brake Fluid Dot-4 is compatible with all metals and rubber seals typically used in automotive braking systems. It is suitable for disc, drum and anti skid ABS braking and electronic stability control systems used in high performance vehicles with high thermal load around the breaking systems.