Use concentrated antifreeze coolant from Peak to protect metals from corrosion and other harsh conditions. This 50/50 antifreeze coolant has a freezing point of -34 Degrees degrees and boiling point of 317 Degrees degrees. The specific gravity is 1.115 to 1.124 and the pH is 8. This 1 gal. yellow antifreeze coolant meets standards: ASTM. Its applications include: Extended-life coolant technology is designed for use in all automobiles and light-duty trucks, regardless of original antifreeze color, make, model, or year. Phosphate- and silicate-free formula meets respective European and Japanese standards. Offers up to 150,000 mi./5 yr. protection when a complete cooling system flush and fill is performed. OAT formula. For use with automotive.