Prestone Products now offers Heavy Duty Test Kits, Test Strips and a Refractometer for antifreeze/coolant system analysis. The kit’s contents are compiled to facilitate easy collection of ...

Thomas E. Ryan, Effects of Temperature on the Accuracy of Aqueous Engine Coolant Freezing Point Determination by Refractometer, SAE Transactions, Vol. 102, Section 3: JOURNAL OF ENGINES (1993), pp.