Chevron Cetus PAO 68
ISO VG 68 anti-wear, r&o compressor oil
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 68 cSt | ASTM D445 |
| KV100 | 10.4 cSt | ASTM D445 |
| Viscosity index | 141 | ASTM D2270 |
| Pour point | -47 °C | ASTM D97 |
| Flash point | 240 °C | ASTM D92 |
| Density at 15 °C | 0.845 g/cm³ | typical |
Grade checks
- KV40 is inside ISO VG 68 (61.2–74.8 cSt).
- Computed viscosity index is 140, within 2 points of the listed 141.
Viscosity and temperature
ASTM D341 (Walther) fitted to the published KV40 and KV100. It is an interpolation between those two points, and it is not meaningful below the pour point. Move the control to read a temperature.
Classification
- Category: Compressor
- Attribute: Anti-Wear, R&O
- Synthetic: Synthetic
- Copper: Unlisted
- Note: Synthetic, air compressor, polyalphaolefin (PAO) base
Equivalents
| Oil | Score | Why |
|---|---|---|
| Shell Corena S4 R 68 | 67 | same ISO 68, VI 135 vs 141, additive aw, synthetic, pour -45 vs -47, flash within 15 °C |
| Shell Corena AP 68 | 43 | same ISO 68, additive aw, synthetic, pour -51 vs -47, flash within 15 °C |
| Shell Corena S4 P 68 | 43 | same ISO 68, additive aw, synthetic, pour -51 vs -47, flash within 15 °C |
| Shell Refrigeration Oil S4 FR-F | 43 | KV40 within 10%, additive aw, synthetic, pour -42 vs -47, flash within 15 °C |
| Shell Corena S3 R 68 | 33 | same ISO 68, additive ro, synthetic, flash within 15 °C |
Scores use published typical data. This is not an exact equivalent, and it is not an OEM approval. Confirm the substitute with the machine builder.
Documents
- No product data sheet link.
- Safety data sheet
Related: Chevron, Cetus PAO, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
Is Chevron Cetus PAO 68 an ISO VG 68 oil?
Yes. The catalogue lists it as ISO VG 68, which is a kinematic viscosity of 68 cSt at 40 °C, plus or minus 10 percent (61.2 to 74.8 cSt). Confirm the current data sheet before you fill a machine.
What is a Chevron Cetus PAO 68 equivalent?
Published oils in the same application and grade include Shell Corena S4 R 68. The match is from typical data-sheet values, not from an OEM approval. It is not an exact equivalent. Confirm the substitute with the machine builder.
Can Chevron Cetus PAO 68 be mixed with another oil?
Mixing two oils that share a base family is sometimes done and sometimes a mistake. Do not mix this oil with a PAG. For any other mix, follow the maker's change-over guidance and the machine manual.
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