Rock Oil Universal high performance anti-freeze is a superior mono ethylene glycol based formula offering exceptional performance and protection for all types of petrol, diesel and gas engines.It contains advanced inhibitors to prevent corrosion in both alloy and ferrous components. The ultra low freezing point and the high resistance to evaporation under severe high temperature conditions offers the optimum protection and reliability which make it suitable for heavy duty engines such as off road equipment used in Agriculture, Construction and Mining.Unlike some economy anti-freeze products, Rock Oil High Performance anti-freeze contains No alcohol and is non flammable. The high specific gravity formula also allows accurate testing of the mixture strength to ensure maximum performance in use. Rock Oil High Performance anti-freeze exceeds all manufactures specifications and the industry standard BS6580.