本文章最後由 kwongqweqaz 於 2015-8-21 00:29 編輯
以我不專業瞎猜的經驗 這油的冷啟動保護性 不是很好 樓主不必執著於15W 的油吧
換換口味 SHELL total mobil 5W40 0w40 試試看吧
SAE Grade 15W40
Density, 15ºC g/cm3 ASTM D 4052 0.881
Viscosity, 100ºC cP ASTM D 5293 14.6
Viscosity, 40ºC cSt ASTM D 445 107
Viscosity, -20ºC cSt ASTM D 445 7000 max.
Viscosity Index ASTM D 2270 130 min.
Flash Point, COC ºC ASTM D 92 215 min.
Pour Point ºC ASTM D 97 -27
T. B. N. mg KOH/g ASTM D 2896 7.7
Shear Stability Bosch Injector
Viscosity after shear test, 100ºC cSt ASTM D 3945 12,5 min
Noack Volatility, 1h. 250ºC %wt DIN-51581 13 max
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[td]| Mobil 1 0W-40 | Value | | Viscosity, cSt (ASTM D445) | | | @ 40º C | 75 | | @ 100º C | 13.5 | | Viscosity Index | 185 | | MRV at -40ºC, cP (ASTM D4684) | 31,000 | | HTHS Viscosity, mPa•s @ 150ºC, (ASTM D4683) | 3.8 | | Total Base Number (ASTM D2896) | 11.8 | | Sulfated Ash, wt% (ASTM D874) | 1.3 | | Phosphorous, wt% (ASTM D4981) | 0.1 | | Flash Point, ºC (ASTM D92) | 230 | | Density @15.6 ºC, g/ml (ASTM D4052) | 0.85 |
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