Eni Acer MV 10
Low viscosity oil for the high-speed spindles of machine tools
ISO VG 10
Mobil Velocite Oil Numbered Series is a range of premium performance, low-viscosity oils primarily designed for the lubrication of high-speed spindles in machine tools. Formulated from select high-quality base oils and additives, they also serve in some critical hydraulic systems, circulation systems and air line oilers when the appropriate viscosity grade is chosen. The oils provide good resistance to oxidation, very good protection against rust and corrosion, strong resistance to foaming, and separate readily from water. The series delivers exceptional lubrication of close-tolerance bearings, helping keep them running cool while maintaining the precision required by critical machine tools. Typical applications include high-speed spindle bearings, precision grinders, lathes, jig borers and tracer mechanisms, with Mobil Velocite Oil No. 3 recommended for zero-clearance spindle bearings and Mobil Velocite Oil No. 10 suited to air line oilers; the range is also used in low-pressure hydraulic systems and sensitive instruments such as telescopes and laboratory equipment. Because a single family covers both spindle and light hydraulic duty, it also helps reduce inventory costs and the risk of product misapplication. The series spans grades from ISO VG 2 (No. 3) to ISO VG 22 (No. 10), with rust protection confirmed by ASTM D665 (Procedure A, Pass) across all grades and flash points ranging from 84°C to 212°C depending on grade.
| Property | Typical value | Method |
|---|---|---|
| Copper strip corrosion, 3 h, 100 CRating | 1A | ASTM D130 |
| Density @ 15 Ckg/l | 0.844 | ASTM D4052 |
| Flash point, Cleveland Open Cup°C | 180 | ASTM D92 |
| Kinematic viscosity @ 100 Cmm2/s | 2.62 | ASTM D445 |
| Kinematic viscosity @ 40 Cmm2/s | 10 | ASTM D445 |
| Pour point°C | -15 | ASTM D97 |
| Rust Characteristics, Procedure A | PASS | ASTM D665 |
| Total acid numbermgKOH/g | 0.06 | ASTM D974 |
| Viscosity index | 98 | ASTM D2270 |
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