Eni Aster DE
Chlorine-free EP cutting oil for severe machining of steels and titanium
ISO 6743/7 MHE
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).
Lubricant classification MHE — ISO 6743
Class MHE of ISO 6743-7: neat cutting oils with extreme-pressure additives, for heavy operations such as thread grinding or broaching.
WGK 1 — German water hazard class
The German classification of substances by their risk to groundwater. Class 1 means "slightly hazardous to water", the least severe class a lubricant is given.
| 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 |
| on product | pass |
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