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What Does Gl - 5 On Gear Oil Packages Mean?

Answer»

It is the API classification used for gear oils. In GL-5, there are more OVERPRESSURE ADDITIVES and it is generally used under heavy work conditions. Unless otherwise specified, GL-5 should not be used in places where GL-4 is recommended. Because the sulphide in overpressure ADDITIVE which is present excessively in GL-5 corrodes yellow METALS.

It is the API classification used for gear oils. In GL-5, there are more overpressure additives and it is generally used under heavy work conditions. Unless otherwise specified, GL-5 should not be used in places where GL-4 is recommended. Because the sulphide in overpressure additive which is present excessively in GL-5 corrodes yellow metals.



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