Mannol 9930 diesel ester additive.

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Diesel Ester Additive is a complex antiwear additive for all types of diesel fuels, especially for Type I and II with low sulfur content, according to GOST R 52368-2005 (European Specification EN-2005). For maximum effectiveness, it must be used continuously. The effect of application becomes noticeable after 20 hours of driving (approximately 1200-1600 km).

Product features:
Forms a stable and highly lubricating complex ester-oil film with a high degree of adsorption on the mechanisms and components of the fuel system, significantly reducing the friction coefficient of the contact surfaces and significantly reducing their wear. This effect is particularly evident in high-pressure fuel pumps in a pair consisting of a plunger sleeve, injectors, and pump-injectors, significantly increasing the service life of these expensive devices. In a high-pressure fuel pump, this eliminates the main cause of wear on the plunger pairs—low-quality "dry" diesel fuel.
- Forms a resistant and particularly long-lasting lubricating complex, a high-adsorption ester-oil film in pairs in the combustion chamber: ring-housing and valve plate and seats in two cycles of four from the spraying of the fuel-air mixture, significantly reducing the friction coefficient and wear of cylinder liners, piston rings, and valve seats, especially uncoated ones. Burns completely with the fuel, leaving no residue.
- Forms an additional stable and highly lubricating complex estero-oil film with a high degree of adsorption of vapors in the combustion chamber: ring sleeve and valve plate seat, which persists even after fuel combustion - which significantly reduces the friction coefficient and wear of the sleeve and compression rings, as well as the valve seats, especially the non-hardened ones.
- Thanks to the cleaning additives it contains, it effectively cleans fuel system components and parts of all types of dirt and deposits, and removes carbon deposits from the combustion chamber that form during fuel combustion, even of low-quality fuel. It prevents the formation of new deposits on non-conjugated surfaces of ferrous and non-ferrous metals and alloys by forming a special oily protective film. For this reason, it also has a pronounced anti-corrosion effect.
- Ignition enhancers contained in the additive improve fuel efficiency, resulting in faster igniting of the fuel mixture and then even and clean combustion; reduces the dynamic load on the cylinder-piston group, thereby increasing its power;
-Increases the cetane number by 1-2 points for fuels with a low cetane number.
- Restores the elasticity and volume of rubber seals;
- Prevents the oxidation of particularly low-quality fuel, thereby preventing the formation of resinous deposits in the fuel, which lead to carbon deposits in the combustion chamber and clog the fine filters;
- Reduces fuel consumption and exhaust toxicity by increasing the completeness of fuel combustion;
- Prevents stratification of diesel fuel and restores the properties of stored fuel after long-term storage, which is especially important for sparsely populated and northern areas where fuel is stored for a long time in oil depots;
- The combination of the achieved effects has no analogues.