Shell Advance 4T AX7 10W40 How well engine oil protects the engine? 100°C
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Engine oil test at 100 ° C Shell 10W40 4T Advance AX7
What does the test show?
The friction test is to show the oil film's resistance to tearing (oil film strength).
Metal elements in the engine during its operation (friction, eg pistons) can lead to scratches and scratches. The better quality of oil, the better it should protect the engine, before they are formed.
Each sample subjected to this test will certainly have some scratches (cavities). By measuring the sample, we will be able to check the depth of the groove.
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How does the test work?
The new sample is subjected to metal rubbing against metal under a 1kg load for 5 minutes. Then, the diameter of the sample is measured at its lowest point. Each new sample has a diameter of 2.92, from which it subtracts the diameters of the test sample. After deducting both dimensions, we will get a real measurement of the sample consumption. The lower the score, the better.
Result: 0.09
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The test product was provided by the Petrostar store. Thank you
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