@mazhar12
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Copper corrosion can be found at https://thepetrosolutions.com/specifications-of-gasoline-fuel/
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Copper Corrosion test is performed to measure the corrosive property of petroleum products. ASTM D130 is a standard method used to measure copper corrosion. In gasoline, several harmful corrosive substances, like acidic or sulfur compounds, are present which may corrode the engine and other storage facilities. In the test, a copper strip is inserted in the sample for a specific time, and then strip color is compared with ASTM standard colors ranges from 1~4.
https://thepetrosolutions.com/specifications-of-gasoline-fuel/Further study
1. https://www.nyelubricants.com
2. https://www.astm.org/Standards/D130.htm -
In a diesel engine, the fuel provides the lubrication for moving parts. Diesel fuel naturally contains compounds that provide lubricity, but hydrotreatment of diesel fuel to remove sulfur also removes the compounds that provide lubricity.
D 6079 is a standard method used to measure the lubricity properties of diesel fuel. This test is called HFFR (High-Frequency Reciprocating Rig). It is measured in micrometer. The test consists of submerging a contact point between a steel ball and a flat steel disc into a sample of fuel. The ball placed under slight weight moves back and forth for a specific period of time. The extent of wear is measured in µm (microns) and is called WSD (Wear Scar Dia). Its normal value is 460~520 µm.For further study please visit
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