Super DOT-4 Brake and Clutch Fluid exceeds the international specifications SAE J 1703, ISO 4925, as well as the U.S. safety standard FMVSS 116 DOT-4. Super DOT-4 brake fluid can be mixed with any other well-known brake fluids with same specifications. This DOT-4 brake fluid is chemically stable and contains additives guaranteeing best lubricating properties.