| Product Name: ZDDP (Zinc Dialkyldithiophosphate)
Appearance: Pale yellow transparent liquid with characteristic sulfur-phosphorus odor
Active Ingredient Content: 90%–95%
Specifications:
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Item
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Index
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Appearance
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Pale yellow transparent liquid
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Density (20°C)
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1.08 - 1.13 g/cm³
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Molecular Weight
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716.3901
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Product Overview:
ZDDP is a multifunctional lubricant additive widely used in internal combustion engine oils, hydraulic oils, and gear oils. By forming a protective film on metal surfaces, it effectively enhances anti-wear, antioxidant, and anti-corrosion properties, prolonging the service life of critical components.
Performance and Applications:
- Anti-Wear and Extreme Pressure Protection
Under high-temperature and high-pressure friction conditions, ZDDP reacts with metals to form an extreme-pressure anti-wear film. This reduces direct metal-to-metal contact, minimizes wear, and protects engines, transmissions, and gears.
- Antioxidant Properties
ZDDP captures free radicals generated during oil oxidation, terminating chain reactions, delaying oil aging, and preventing sludge and carbon deposits. It maintains lubricant system cleanliness and extends oil drain intervals.
- Corrosion Protection
Provides effective protection for non-ferrous metals such as copper, lead, and babbitt metals. It neutralizes acidic substances formed during oil use, preventing corrosion, and is suitable for both industrial and automotive lubricant formulations.
Advantages
- Multifunctional Protection: Combines anti-wear, antioxidant, and anti-corrosion functions with excellent comprehensive performance.
- Mature Technology and Cost-Effective: Validated through long-term practical applications, ZDDP remains one of the most widely used lubricant additives in the industry.
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