Refrigerating machine oil
An aspect of the present invention relates to a refrigerating machine oil with a kinematic viscosity at 100° C. of 0.5 mm 2 /s or more and 1.5 mm 2 /s or less, a 90% distillation temperature in gas chromatography distillation of 280° C. or more and less than 360° C., and an aniline point of 70° C. or more.
1. A refrigerating machine oil having a kinematic viscosity at 100° C. of 0.5 mm 2 /s or more and 1.5 mm 2 /s or less, a kinematic viscosity at 40° C. of 3.5 mm 2 /s or less, a 90% distillation temperature in gas chromatography distillation of 280° C. or more and less than 360° C., a distillation end point in gas chromatography distillation of 390° C. or more, and an aniline point of 70° C. or more,
the refrigerating machine oil comprising a lubricating base oil and a phosphorous-based extreme pressure agent.
2. A refrigerating machine oil having a kinematic viscosity at 100° C. of 0.5 mm 2 /s or more and 1.5 mm 2 /s or less, a kinematic viscosity at 40° C. of 3.5 mm 2 /s or less, a 70% distillation temperature in gas chromatography distillation of 270° C. or more and less than 300° C., a distillation end point in gas chromatography distillation of 390° C. or more, and an aniline point of 70° C. or more,
the refrigerating machine oil comprising a lubricating base oil and a phosphorous-based extreme pressure agent.
3. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a difference between an initial boiling point and a 95% distillation temperature in gas chromatography distillation of 60° C. or more and 160° C. or less.
4. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a difference between a distillation end point and a 90% distillation temperature in gas chromatography distillation of 40° C. or more and 140° C. or less.
5. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a distillation end point in gas chromatography distillation of 425° C. or less.
6. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a flash point of 110° C. or more.
7. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a % C P in n-d-M ring analysis of 40 or more and 60 or less.
8. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a % C N in n-d-M ring analysis of 40 or more and 65 or less.
9. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a ratio of a % C P to a % C N in n-d-M ring analysis of 0.6 or more and 1.4 or less.
10. The refrigerating machine oil according to claim 2 , wherein the refrigerating machine oil has a difference between an initial boiling point and a 95% distillation temperature in gas chromatography distillation of 60° C. or more and 160° C. or less.
11. The refrigerating machine oil according to claim 2 , wherein the refrigerating machine oil has a difference between a distillation end point and a 90% distillation temperature in gas chromatography distillation of 40° C. or more and 140° C. or less.
12. The refrigerating machine oil according to claim 2 , wherein the refrigerating machine oil has a distillation end point in gas chromatography distillation of 425° C. or less.
13. The refrigerating machine oil according to claim 2 , wherein the refrigerating machine oil has a flash point of 110° C. or more.
14. The refrigerating machine oil according to claim 2 , wherein the refrigerating machine oil has a % C P in n-d-M ring analysis of 40 or more and 60 or less.
15. The refrigerating machine oil according to claim 2 , wherein the refrigerating machine oil has a % C N in n-d-M ring analysis of 40 or more and 65 or less.
16. The refrigerating machine oil according to claim 2 , wherein the refrigerating machine oil has a ratio of a % C P to a % C N in n-d-M ring analysis of 0.6 or more and 1.4 or less.