OAT stands for Organic Acid Technology. OAT Coolant Antifreeze are Long Life Coolants (LLC) based on minimally depleting Carboxylate Technology. OAT or Organic Acid Technology Coolant describes the kind of materials responsible for the corrosion protection offered by this type of coolant. This kind of coolant provides superior protection to all engine components including aluminium and magnesium. Unlike regular coolants, the need for Supplemental Coolant Additives (SCAâ€™s) is no longer required, providing a long life meaning significant â€œcost savingsâ€. In some heavy-duty diesel applications you may see a reference to a Coolant Extender. A Coolant Extender can be used with an OAT coolant to top-up certain additives at the products half life which is typically around 480,000 kms. In general OAT based corrosion inhibitors are recognized for their non-toxic properties making them readily biodegradable, addressing any environmental and occupational health & safety issues.
OAT coolants are designed to prevent the inner engine parts from forming deposits, a major cause of failure. Compatible with most variants of cooling systems with added inhibitor package to protect brass, copper, solder, steel, cast iron, aluminium alloys and other components such as rubber hoses, gaskets, rubber seals, plastic components etc., that are commonly found in the engine radiator.