Mobil Teresstic 100
ISO VG 100 r&o hydraulic oil
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Key specs
| Spec | Value | Method |
|---|---|---|
| KV40 | 100 cSt | ASTM D445 |
| KV100 | 11.1 cSt | ASTM D445 |
| Viscosity index | 95 | ASTM D2270 |
| Pour point | -12 °C | ASTM D97 |
| Flash point | — | ASTM D92 |
| Density at 15 °C | — | typical |
Grade checks
- KV40 is inside ISO VG 100 (90–110 cSt).
- Computed viscosity index is 96, within 2 points of the listed 95.
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: Hydraulic
- Attribute: R&O
- Synthetic: Conventional
- Copper: 1B
- Note: Extended service period
Equivalents
| Oil | Score | Why |
|---|---|---|
| Shell Tellus S2 M 100 | 69 | same ISO 100, VI 96 vs 95, additive ro, conventional |
| Shell Tellus S2 MX 100 | 60 | same ISO 100, VI 105 vs 95, additive ro, conventional |
| Castrol Hyspin AWS 100 | 55 | same ISO 100, VI 95 vs 95, conventional, pour -18 vs -12 |
| Castrol Hyspin VG 100 | 50 | same ISO 100, additive ro, conventional, pour -15 vs -12 |
| Chevron Rando HD 100 | 44 | same ISO 100, VI 106 vs 95, conventional, pour -15 vs -12 |
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
Related: Mobil, Teresstic, viscosity index calculator, ISO / SAE / AGMA chart.
Questions
Is Mobil Teresstic 100 an ISO VG 100 oil?
Yes. The catalogue lists it as ISO VG 100, which is a kinematic viscosity of 100 cSt at 40 °C, plus or minus 10 percent (90 to 110 cSt). Confirm the current data sheet before you fill a machine.
What is a Mobil Teresstic 100 equivalent?
Published oils in the same application and grade include Shell Tellus S2 M 100, Shell Tellus S2 MX 100. 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 Mobil Teresstic 100 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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