Ｐａｇｅ 700 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 通常モードに戻る ┃ ＩＮＤＥＸ ┃ ≪前へ │ 次へ≫ ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ▼･筵･ｯ･ｩ`･ ･ﾀ･ｦ･ Jerrywrr 12/11/3(土) 5:59 ─────────────────────────────────────── ■題名 ： ･筵･ｯ･ｩ`･ ･ﾀ･ｦ･ ■名前 ： Jerrywrr <g.rea.t.gb1l.u.x.ury.g.u.y@gmail.com> ■日付 ： 12/11/3(土) 5:59 ■Ｗｅｂ ： http://www.monclerdown2013.com/%E3%82%B8%E3%83%A3%E3%82%B1%E3%83%83%E3%83%88-c-94.html -------------------------------------------------------------------------
| Recommend http://blog.livedoor.jp/mywayfine-mygoo/archives/19582671.html , http://blog.livedoor.jp/mywayfine-123/archives/19326808.html , http://forydliy.exblog.jp/19132856 , http://www.soberhood.org/node/100069 , http://maruta.be/mywayfine1/32 When it is cold, standard oil thickens because of impurities, known as paraffin. Synthetics have no impurities.So How Do We Measure the High quality of Our Oils?There are requirements place forth in the oil business by the American Culture for Screening and Materials (ASTM) that must be met to receive certification. The ASTM was created in 1898 and has turn out to be an association recognized worldwide. They currently have more than one hundred thirty technical committees covering industries like steel manufacturing, oils, and environmental. They have devised requirements that oil businesses meet up with for performance in specific locations or lubrication. Using an oil that is rated by the ASTM requirements is essential, simply because twenty% of customer-level oils perform beneath the regular for which they state they perform.For example, the ASTM D-5293 Cold Crank Simulator Obvious Viscosity Test exams the capability of the engine's beginning capability at cold temperatures. Reduced-temperature viscosities make beginning the motor in cold climate easier, due to the retention of its created flowability. Cold-temperature viscosity is detrimental to chilly weather beginning simply because the battery is already weaker than it is designed to be, because of to the frigid temperatures.An additional test is the ASTM D-ninety seven. This test actions the pour point of oil. The oil's pour stage is the coldest temperature at which the oil will still flow.The ASTM D-4683 is the Higher Temperature, Higher-Shear Viscosity measure. What this actions is the ability to sustain the viscosity of the oil in higher temperatures when being uncovered to higher shear. A higher rating in this check indicates that your engine's most stressed and warmed parts will remain protected even under serious conditions.ASTM's D-4172B Four Ball Put on Test consists of 3 fastened balls immersed in a lubricant, with the fourth ball rolling on the three with a specific stress. The overall performance of the oil is calculated by the scarring on the surface of the balls. Obviously, the much less serious the scar, the much better safety offered by the lube.When oil is sloshed around and shaken, air can turn out to be trapped in the oil, causing it to foam. Air is then carried through the lubrication method and can trigger damage, simply because air doesn't have lubricating qualities. The ASTM D-892 regular is the measurement of the oil's ability of resisting foam, or extreme air trapped in the oil.One factor that numerous consumers do not think about is the oil's flash stage. The flash stage is the temperature at which the oil ignites with a flame. This is determined by the ASTM's D-ninety two Flash Stage and Fireplace Point test. The fire stage is much like a flash stage, besides the ignition should burn up for at least 5 seconds. |