AMSOIL Propylene Glycol Antifreeze & Coolant (ANT) is formulated to provide benefits beyond those provided by today’s conventional antifreeze and coolant products. Its unique formulation provides maximum cooling system protection in extreme temperatures and operating conditions.Helps Prevent Metallic Corrosion and ErosionAMSOIL Propylene Glycol Coolant is formulated with unique organic acids that form a protective layer that prevents corrosion on metal components. Independent tests reveal it far surpasses standards for metallic corrosion and erosion, achieving nearly perfect scores in ASTM corrosion and erosion testing on cast aluminium cylinder heads, steel, copper, solder, brass and cast iron and aluminium water pumps.Anti-ScaleAMSOIL Propylene Glycol Coolant is a proprietary hybrid organic acid (HOAT) formulation that does not contain phosphate, nitrite, silicate, borate or amine found in conventional antifreeze/coolants. These materials are responsible for almost all scaling issues in cooling systems, commonly reacting with calcium and magnesium in water to form precipitates that adhere to metal surfaces and create scale and corrosion. They can also precipitate to form scale if the antifreeze/coolant inhibitor system is at the wrong pH or mixed with incompatible products. AMSOIL Propylene Glycol Antifreeze & Coolant virtually eliminates scaling problems. It is much more resistance to issues caused when calcium/magnesium are inadvertantly introduced to the radiator through tap water.Cavitation/Pitting ProtectionAMSOIL Propylene Glycol Antifreeze & Coolant effectively protects cylinder liners against cavitation erosion/corrosion pitting, without the problems associated with nitrile technology. Nitriles can cause aluminium corrosion, and they are being banned from coolants used by a growing number of manufacturers in both the heavy-duty and automotive markets. AMSOIL Propylene Glycol Antifreeze & Coolant is a top-performing technology that performs extremely well in ASTM D7583 (John Deere Cavitation Test) testing.Long-Life FormulationAMSOIL Propylene Glycol Antifreeze & Coolant eliminates the need for supplemental coolant additives (SCAs), extenders and recharging cooling systems. It provides extended service life in all gasoline and diesel vehicles, with recommended intervals of 150,000 miles or five years, whichever comes first, in passenger cars and light trucks and 1,000,000 miles, 20,000 hours of operation or eight years, whichever comes first, in heavy-duty and off-road applications.Compatible With Other FluidsAMSOIL Propylene Glycol Antifreeze & Coolant is dyed neutral yellow and is compatible with all ethylene and propylene antifreeze and coolant colors, as well as all plastics and elastomers (hoses, gaskets, etc.) found in cooling systems. It is also compatible with fully formulated diesel antifreezes and other organic acid technology (OAT) and hybrid organic acid technology (HOAT) formulations. Mixing propylene and ethylene glycol formulations can make it difficult to predict freeze protection. If mixing for top-off is unavoidable, it is recommended to flush th ecooling system at the next convenient opportunity.
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