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The testing content involved in oil testing

点击量:2086发表时间:2022-06-21 15:12:39

Oil product testing refers to analyzing the intrinsic quality and physical and chemical properties of oil products through a series of testing methods, according to the quality indicators and service performance of oil products, evaluating the quality of oil products, and helping enterprises formulate reasonable oil change intervals. The service areas involved in various types of oil testing include the following.

Type of oil detection

Electrical insulating oil, gasoline engine oil, engine coolant, anti-rust oil inspection, grease, hydraulic oil, turbine oil, diesel oil, gear oil, refrigeration oil, aviation lubricating oil, lubricating oil, lubricating oil, fuel oil, insulating oil, metal Processing fluid, oil additives, asphalt paraffin, anti-rust oil, solvent oil, kerosene, petroleum coke, etc.

Oil testing items

Kinematic viscosity, moisture, flash point, freezing point and pour point, sulfur content, density, distillation range, acid number, base number, color, carbon residue, ash, calorific value, total sediment, mechanical impurities, insolubles, water Separation, foam characteristics, penetration, dropping point, stencil oil separation, etc., as well as the detection of the inherent quality of oil products, such as the content of wear elements, pollution elements and additive elements in lubricating oil, determination of organic and inorganic components, Determination of pollution degree, appearance, pour point, viscosity index, acid value, air release value, anti-emulsification, copper corrosion, liquid phase corrosion, rotating oxygen bomb, cleanliness, lubricity, oxidation stability, etc.

Basic oil testing items

(1) Viscosity

Viscosity is a measure of fluid flow time friction, which is used to measure the ability of oil to resist flow at a specific temperature. The detection method can refer to GB/T265, ASTM D445 and other standards.

(2) Water content

Water content refers to the percentage of water content in the oil (free water, emulsified water, dissolved water), and the detection method can be distillation method, as well as GB/T 260, ASTM D95 and other standards.


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