This product has been developed to aid the assembly of hydraulic brake and clutch components while conditioning the rubber seals for best performance from first use. Provides corrosion protection for metal surfaces. High lubricity – especially where elastomers are in contact with metal surfaces. Compatible with EPDM and SBR seals. Mixes safely with DOT 3, DOT 4 and DOT 5.1 brake fluids. Please note: this product is NOT an oil and is NOT compatible with mineral oils.