- Machining, neat oil
ISO 6743-7 MHE
Readily biodegradable EP cutting oil based on synthetic ester
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 | 35 | ASTM D 445 |
| Flash point COC°C | 230 | ASTM D 92 |
| Pour point°C | -6 | ASTM D 97 |
| Copper corrosion | 1a | ASTM D 130 |

Eni Fresia ESB 35 is a biodegradable, multifunctional and EP cutting oil, specifically formulated with synthetic ester for a more effective reduction of friction between the tool and the workpiece. The formulation is free of chlorine and sulfur and is enriched with specific additives that give the product high detergent, anti-corrosive, anti-fog and antioxidant properties. Eni Fresia ESB 35 is recommended for medium and high severity chip removal operations, such as milling, turning, boring, tapping, gear hobbing, shaving, slotting, broaching, sawing, shearing and medium-light stamping operations on stainless steel and steel alloys, aluminum and its alloys, titanium and its alloys and yellow metals. The product is suggested for minimal lubrication (MQL). Eni Fresia ESB 35 is 'readily biodegradable' (>60%) according to method OECD 301 B.
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