Oil Grade Zinc Oxide

Oil grade zinc oxide

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Oil grade zinc oxide is an indispensable additive in lubricating oil, and its use amount accounts for about one-third of all the added parts of lubricating oil， becoming the main additive of lubricating oil. Oil grade zinc oxide additive has anti-oxidant, anti-corrosion, The role of anti-wear multi-effect additives.

Lubricating oil additives are one or several compounds added to the lubricant to give the lubricant some new characteristics or improve some of the existing characteristics in the lubricant. Oil grade zinc oxide is one of the important additives.

*The anti-wear property of adding oil grade zinc oxide: refers to the ability of the lubricant to form a film on the friction surface under light load and medium load conditions to prevent wear.

Add oil grade zinc oxide anti-oxidant and anti-corrosion agent: improve the oxidation stability of oil products，prevent metal oxidation, catalyze staleness and delay oil oxidation speed, insulate acid and metal contact to form a protective film with anti-wear properties.

Standard:《GB/T3185-2016》

Why should oil grade zinc oxide be added to lubricants as an antioxidant and anti-oxidant and anticorrosive agent?

Engines that use fuel oil, kerosene, gasoline, natural gas or man-made gas, liquefied gas, etc. as fuel must use lubricants to lubricate their moving parts. Lubricating oil must be in contact with air during use, and various mechanical equipment will also generate heat, which will increase the temperature of the friction part in operation. In addition, various metal materials in the equipment, such as copper and iron, will play a catalytic role and accelerate The oxidative deterioration of the oil will eventually increase the viscosity of the lubricating oil, generate acidic substances that corrode metal materials, and also generate various carbon-like or pitch-like precipitates such as paint film to block the pipeline. All these changes will adversely affect the continued use of oil products and the normal operation of equipment. Therefore, oils are required to have good anti-oxidation and anti-corrosion properties. Therefore, adding oil grade zinc oxide as an anti-oxidant and anti-corrosion additive to oil products is aimed at inhibiting the oxidation of oil products, passivating the catalytic effect of metal on oxidation, and extending the use of oil products and protecting machinery.