Silicate based Suitable for petrol & diesel engines Protects against corrosion, erosion, over heating &freezing Protects from -36C to +45C. Ethylene glycol based antifreeze & coolant with OAT inhibitors. Protects against: Corrosion, Overheating and Freezing. Typical service life of up to 5 years. Safeguarded with bittering agent to help avoid accidental ingestion.