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Vacuum Pump Oil真空幫浦油














說明

採用特高品質低蒸氣壓之優質基礎油,為螺旋式和滑葉式真空泵浦而設計。
適用於 1*10-3 mbar 的真空壓力及一般壓縮機無法滿足之高真空潤滑適用。






技術資料
 試驗項目                                  試驗方法               VP68N       VP100N

比重 ,GR 15/4 ℃                  ASTM D-1298            0.86          0.862
黏度 ,40℃ cSt                      ASTM D-445               69             98
黏度 ,100℃ cSt                    ASTM D-445               9.5           11.8
黏度指數 ,VI                         ASTM D-2270             117           113
Apparent                             ASTM D-445    
Vis cp at -15℃                     ASTM D-1481    
Apparent                                     "    
Vis cp at -20℃                             "    
閃火點 ,℃                              ASTM D-92              255            276
TBN mgLOH / g                     ASTM D-2896    
TAN mgLOH / g                     ASTM D-64              0.01           0.01
流動點 ,P.P ℃                         ASTM D-97             -28              -18
Timken OK Load (1b) min       ASTM D-2782    
Foaming tendency / stability   ASTM D-892 , IP-146    
  Sequence I (ml) max                 "                         0                 0
  Sequence II (ml) max                "                        10               10
  Sequence III (ml) max               "                         0                 0
WATER CONTENT %               ASTM D-1744            < 50         < 50
ppm  (STD
COPPER CORROSION               ASTM D-1218           1a               1a
環分析  (n-d-M Method)            ASTM D-3238    
Ca %       
Cn %       
Cp %