Eurol introduces the Supreme Classic 10W-40 and 20W-50, mineral engine oils specially developed for classic cars. Both engine oils are specially enriched with Zinc Dialkyldithiophosphates. This phosphor-zinc compound provides extra protection for flat tappets and slide bearings....
A lubricating oil especially useful as a natural gas engine lubricating oil that has extended life as evidenced by reductions in viscosity increase, oxidation and nitration relative to current commercial and reference oils is provided. The oil comprises a major amount of a base oil of lubricating ...
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FIELD: engine oils. SUBSTANCE: additive agent for engine oils has, wt. -%: zinc dialkyldithiophosphate 5-10; ash-free nitrogen-containing dispersant 10-20; alkaline calcium alkylsalicylate 20-30; reaction product of medium-alkaline alkaline-earth metal sulfonate and zinc di-(alkylphenyl)-dithiopho...
Zinc? Now, please note:many products reduce friction, but do not have horsepower or wear reducing factors. Zinc has been removed from oils because it had no history of friction ort wear reducing evidence. Some additives will fill surface valleys reducing the jagged feature, bur have no friction...
Engine Oils in the Field: A Comprehensive Chemical Assessment of Engine Oil Degradation in a Passenger Car 来自 国家科技图书文献中心 喜欢 0 阅读量: 78 作者:N Drr,A Agocs,C Besser,A Risti,M Frauscher 摘要: For the understanding of oil degradation in a combustion engine, in particular zinc ...
Two fully-formulated engine oils containing zinc dialkyldithiophosphate (ZDDP) were tested at different oil temperature regimes during long distance, high speed field tests (15000 km and 145 {plus_minus} 10 km/hr). P-31 NMR spectroscopy was used to characterize the ZDDPs and the degradation pro...
Some of the byproducts of combustion, including lead, zinc, phosphorus and sulfur, can severely cripple the converter’s ability to perform its job. Therein lies the first major difference between PCMO and heavy-duty diesel oil. Diesel engine oils have a higher anti-wear load in the form of...
The engine oil with 0.06~0.10 wt.% Sc-Ag/GN nanocomposites displays remarkable lubricating performance, superior than the pure engine oil, the engine oil containing zinc dialkyl dithiophosphate (ZDDP), as well as the oil dispersed with the single nanomaterial of graphene oxides (GOs) and nano-...