Founded in 1976 in the UK, Orthene is the world's largest private-label manufacturer of brake fluids for automotive, motorsport, and industrial brands. Producing an estimated 65% of the world's racing brake fluid, Orthene's formulations — from DOT 3 to high-performance racing grades — are trusted across Formula 1, Rally, MotoGP, and club motorsport globally.

Official page: orthene.com