This extended life heavy-duty diesel antifreeze/coolant has a 7.5 to 8.6 pH, a -34 Degrees F freezing point, a 264.2 Degrees F boiling point, and a specific gravity of 1.075 to 1.090. This red, 50/50 pre-mixed antifreeze is low silicate and phosphate- and amine-free. It comes in a 205-litre drum.