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An antifreeze is an additive which lowers the freezing point of a water-based liquid. ... The term engine coolant is widely used in the automotive industry, which covers ..... HOAT coolants typically mix an OAT with a traditional inhibitor, such as  ...


Find this and other Valvoline products you need to keep your engine running ... Its Hybrid Organic Acid Technology (HOAT) chemistry combines the best of ...


and heavy-duty engine cooling systems was predominately green. Its change ... “ universal” antifreeze they say is compatible with all OAT, HOAT and NOAT.


Antifreeze protection chart. ... The antifreeze engine coolant market is ...


There are only 3 main anti-freeze types/coolant types, at most 4 so far less than the types of car engines ! Green anti-freeze/green coolant. These are the ...


“Can we mix in the “green” antifreeze with our existing HOAT? .... is to replace OAT systems with HOAT coolant which meets OAT specifications.


Hybrid OAT coolants, also known as HOAT antifreeze or G-05 antifreeze. ... ASTM D6210 standard (which is a requirement for most late model diesel engines).

May 22, 2013 ... Prestone's Sr Tech explains evolution of antifreeze / coolant from IAT to OAT to HOAT to POAT - including UNIVERAL or AMAM (All Makes All ...


May 20, 2013 ... OAT based antifreeze is not compatible with IAT antifreeze; although, some HOAT formulas claim compatibility with certain OAT formulas or IAT ...