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Quality Control System

Quality Control System

We strive to deliver reliable petroleum products to our customers.
The oil terminal at our head office is equipped with testing equipment capable of inspecting the standard items stipulated by the Act on the Quality Control of Gasoline and Other Fuels as well as Japanese Industrial Standards. Our experienced staff conduct thorough oil property management and quality inspections to maintain high quality standards.

Analytical Equipment in the Laboratory (in the head office building)

  • Density (vibration type)
  • Color: ASTM, SC
    (photoelectric colorimeter)
  • Residual carbon
    (micro method)
  • Lead (atomic absorption)
  • Gasoline component analysis
    (GC, all components)
  • Flash point (TAG.P.M)
  • Pour point
    (JIS: fully automatic)
  • Sulfur content
    (coulometric titration method, fluorescent X-ray)
  • Oxidation stability
    (induction period)
  • Moisture content
    (coulometric titration method/distillation methodd)
  • Distillation
    (atmospheric distillation)
  • Clogging point
    (JIS: full automatic)
  • Dissolved gum
    (JIS: air method)
  • Kinetic viscosity
    (viscometer)
  • Coumarin measurement
    (spectrophotometer, fluorescence analyzer)/ analytical method used by the National Petroleum Association
Products Contributing to Sustainability Quality Control System Safety Initiatives