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Hydrocarbon Chains

Vital to the structure of living things is the way carbon atoms tend to bond together to form a “backbone” or “skeleton” to produce hydrocarbon chains (also rings) as here illustrated by a selected number of the fully hydrogen-saturated “alkanes”. The boiling point increases with the lengthening of the carbon chain. Unless kept under pressure…

ACEA Engine Oil Specification

hat does ACEA mean? ACEA is the abbreviation for association des constructors Europeans Automobiles (Union of European car manufacturers). This committee has developed new classifications for the application of engine oils in gasoline, passenger cars diesel and heavy-duty diesel engines. (ACEA European Oil Sequences for Service Fill Oils). Why new classifications? While revising the former…

Viscosity Index

From Wikipedia, the free encyclopaedia The viscosity index (VI) is an arbitrary measure for the change of viscosity with variations in temperature. The lower the VI, the greater the change of viscosity of the oil with temperature and vice versa. It is used to characterize viscosity changes in relation to temperature in lubricating oil. The…

Gear Oil

From Wikipedia, the free encyclopedia Gear oil is a lubricant made specifically for transmissions, transfer cases, and differentials in automobiles, trucks, and other machinery. It is of a higher viscosity to better protect the gears and usually is associated with a strong sulphur smell. The high viscosity ensures the transfer of lubricant throughout the gear…

PSI Specifications (343.1981) Pakistan Standards Institute

PSI Specifications (343.1981) Pakistan Standards Institute Lubricating Oil for Internal Combustion Engines Characteristics of the products Method Followed by PSI PSI Specifications (343.1981) Pakistan Standards Institute S.N SAE Grade SAE Grade SAE Grade SAE Grade SAE Grade SAE Grade Multi-Grade Multi-Grade Multi-Grade 10W 20W 20 30 40 50 10W-30 20W-40 20W-50 1 Flash Point COC,…

Viscosity Conversion Chart used for Commercial & Industrial Lubricant

Viscosity Conversion Chart for commonly used Commercial & Industrial Lubricant Viscosity Ratings Kinematic Viscosity Centistokes at 40C (104F) Saybolt Viscosity (SUS) at 40C (104F) Aprox. S.No. ISO Viscosity Grade AGMA Grade No.Aprox. SAE Viscosity No.Aprox. SAE Lube No.Aprox. 1 22 – – – 22 105 2 32 – 10W 75W 32 150 3 46 1…

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