What does HOAT stand for in engine coolant technology?

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Multiple Choice

What does HOAT stand for in engine coolant technology?

HOAT stands for Hybrid Organic Acid Technology. This type of coolant blends organic acid inhibitors with silicate inhibitors to provide corrosion protection for a wide range of engine metals, especially aluminum. The hybrid approach combines the benefits of organic-acid chemistries with silicate protection to help shield cooling system components like gaskets and water pumps over the long term. It’s different from inorganic-acid technology, which relies on inorganic additives, and from organic-acid technology, which uses organic acids without silicates. When a vehicle specifies HOAT coolant, you’d choose a product labeled as HOAT to ensure compatibility with that system.

HOAT stands for Hybrid Organic Acid Technology. This type of coolant blends organic acid inhibitors with silicate inhibitors to provide corrosion protection for a wide range of engine metals, especially aluminum. The hybrid approach combines the benefits of organic-acid chemistries with silicate protection to help shield cooling system components like gaskets and water pumps over the long term. It’s different from inorganic-acid technology, which relies on inorganic additives, and from organic-acid technology, which uses organic acids without silicates. When a vehicle specifies HOAT coolant, you’d choose a product labeled as HOAT to ensure compatibility with that system.

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