- Machining, neat oil
ISO 6743-7 MHE
Ester-based oil for medium and severe machining, also suited to MQL
Lubricant classification MHE — ISO 6743
Class MHE of ISO 6743-7: neat cutting oil with extreme-pressure additives, for heavy operations.
WGK 1 — German water hazard class
German classification of substances by risk to groundwater; class 1 means "slightly hazardous to water".
OECD 301B biodegradability above 60 %
OECD test measuring carbon dioxide evolved over 28 days; above 60 % counts as "readily biodegradable".
| Property | Typical value | Method |
|---|---|---|
| Appearance | clear | |
| Density at 15°Ckg/m³ | 920 | ASTM D 4052 |
| Viscosity at 40°Cmm²/s | 25 | ASTM D 445 |
| Flash point COC°C | 235 | ASTM D 92 |
| Pour point°C | -12 | ASTM D 97 |
| Copper corrosion | 1a | ASTM D 130 |

Eni Fresia ESB 25 is a metalworking oil formulated with synthetic (ester) oil, for a more effective reduction of friction between the tool and the workpiece. It is entirely free of mineral oil, chlorine and sulfur. Carefully selected additives deliver high detergent, anti-wear, anti-mist and antioxidant properties. Eni Fresia ESB 25 is recommended in particular for medium to severe turning, milling, drilling, threading, gear hobbing and slotting of alloy and stainless steels, aluminium and its alloys, titanium and its alloys, and yellow metals. Recommended for minimum quantity lubrication (MQL).
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