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- Manufacturer: Afton Chemical
- Product Line: Afton Engine Oil Additives
- Product: Engine Oil Additives
- Industries: Lubricant Formulation
- Authorized Countries: Canada | United States
HiTEC® 1656 Mixed Primary/Secondary Zinc Dialkyl Dithiophosphate
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SKU
0130877
HiTEC® 1656 additive is a mixed primary/secondary ZDDP performance anti-wear antioxidant additive for formulating automotive and marine engine oils and industrial fluids.
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Specifications
Appearance: Clear yellow/green, oily liquid
Density at 15°C, g/ml: 1.120
Flash point, °C (PMCC), min: 130
Kinematic viscosity at 40°C, mm2/s: 230
Max handling temp, °C: 55
Shelf life: 30 months at ambient temperature (10°C–35°C), months: 30
Primary Chemistry:
Zinc dialkyl dithiophosphate
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Conor Robertson, Technical Specialist
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Canada
United States
Overview
HiTEC® 1656 performance zinc dialkyl dithiophosphate (ZDDP) additive provides a mix of primary and secondary ZDDP, imparting excellent protection against wear, oxidation, and corrosion. It is a versatile lubricant additive that can be used to formulate a variety of diesel and gasoline engine oils for the automotive and marine industries, as well as industrial fluids and lubricants.
Features & Benefits
- Primary and secondary ZDDP
- Superior wear protection
- Excellent bearing corrosion control
- Good antioxidation properties
- High thermal stability
Problems Solved
Without effective anti-wear additives, metal equipment, such as bearings and gears, is prone to wear and corrosion at high temperatures and under exposure to water ingress. Oil will also oxidize and degrade more quickly, leading to frequent oil changes. ZDDP is a commonly used anti-wear additive, but it can be challenging to find a ZDDP compound that balances fast activation and durability.
Applications
Diesel engine oil
Gasoline engine oil
Marine engine oil
Industrial lubricants
Grease
HiTEC® is a registered trademark of Afton Chemical Corporation.
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FAQs
What is a ZDDP additive?
ZDDP, short for zinc dialkyl dithiophosphate, is an organometallic compound composed primarily of zinc, phosphorus, and sulfur. It forms a protective, sacrificial layer on metal surfaces to prevent wear, corrosion, and oxidation.
What is the difference between primary and secondary ZDDP?
Primary ZDDP is comprised of primary alkyl groups in which the carbon attached to phosphorus has one alkyl group. In contrast, secondary ZDDP is comprised of secondary alkyl groups, and the carbon attached to phosphorus bears two alkyl groups. Primary ZDDP has higher thermal and oxidative stability but requires higher activation temperatures. Secondary ZDDP has a lower activation temperature and forms a film more quickly.
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