Idemitsu Hermetic Oil 1234yf

Idemitsu’s polyalkylene glycol (PAG) A/C compressor oil is used by leading automotive compressor OEMs and automotive manufacturers worldwide, and its share is #1 in the world. The “Double-End-Capped” chemical structure of the Idemitsu Hermetic PAG series has proven to be a superior formulation when compared to ordinary PAG oils. In fact, Idemitsu PAG’s structure is so exceptional, it is not only used in conjunction with new automotive refrigerant R1234yf, but is also compatible with R134a refrigerant.

  • Provides excellent chemical, thermal and hydrolytic stability when used with R1234yf refrigerant, which is naturally unstable
  • Unique “Double-End-Capped” PAG with advanced additive technology provides protection for the lifetime of the compressor
  • Reverse compatible with R134a refrigerant
  • The high viscosity index (VI) provides unsurpassed wear protection over a wide temperature range


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Description Part Number
8.4 oz. X 6 case 32450017-70200C020

Chemical/Physical Properties

Test ItemUnitTest MethodIdemitsu Hermetic Oil 1234yf
ISO Viscosity grade - 46
Color - ASTM D1500 L0.5
Density @15°C g/cm3 ASTM D1298 0.988
Viscosity, Kinematic @40°C cSt ASTM D445 42.7
Viscosity, Kinematic @100°C cSt ASTM D445 9.51
Viscosity Index - ASTM D2270 216
Pour Point °C ASTM D97C -45>
Flash Point (COC) °C ASTM D92 180