8/28/2023 0 Comments Green and orange coolant mix![]() ![]() Orange antifreeze contains organic acids that protect engine parts from corrosion. The difference between the two colors is that orange antifreeze contains a different type of corrosion inhibitor that has a much longer service life than silicates, phosphates and borates. It is ethylene glycol base as is the green antifreeze. "Orange" antifreeze is a long life or extended life type of antifreeze used to increase the useful life of engine coolant. If the coolant in an engine cooling system is changed before corrosion inhibitors reach dangerously low levels, corrosion damage is prevented.Īn alternative to tradition green antifreeze is a product currently used by many engine manufacturers. Aluminum is especially vulnerable to corrosion and many vehicles have heads, radiators and other aluminum components in the cooling system. ![]() It is for this reason that green antifreeze should be changed every two years or so. Over time, the corrosion inhibitors will be depleted and the corrosion protection is lost. As long as the solution remains alkaline, corrosion is controlled and the system is protected. The green antifreeze contains silicates, phosphates and / or borates as corrosion inhibitors to keep the solution alkaline. This type is good for two to three years and up to 30,000 miles. Most antifreeze products sold for the past several years have been the traditional "green" coolant. Never use pure antifreeze in a cooling system without using at least 30 percent water in the mixture. This gives freeze protection down to minus 34 degrees and boil-over protection up to +265 degrees. Antifreeze should be mixed with distilled water (tap water contains high amounts of minerals such as calcium and iron that can precipitate and coat internal parts) at the ratio of one part antifreeze to one part water. Most of the antifreeze products on the market currently are ethylene glycol base material with additives to prevent corrosion, lubricate seals and water pumps and aid in heat transfer to the coolant from the metal of the engine. ![]() The green and orange mixed together results in a jello-like goo in your cooling system. These days, you have green, blue, and orange coolant. ![]()
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