Cera Tec Cera Tec is a high-tech ceramic wear protection and can be mixed with all commercially available oils. Cera Tec reduces friction and wear by using chemically and thermally extremely high-resilient ceramic compounds. Prevents direct metal/metal contact, increasing the service life of the aggregate. The smooth-running effect reduces fuel consumption in petrol and diesel engines. Intended use Wear protection for engines, transmissions, pumps and compressors. Cera Tec is added to the oil and is self-mixing. Sufficient for 5 l oil volume. With long-term effect for 50,000 km. Not suitable for use with wet clutches!