RAVENOL Group: Ravensberger Schmierstoffvertrieb GmbH since 1946 and Deutsche Ölwerke Lubmin GmbH since 2013
RAVENOL Group: Ravensberger Schmierstoffvertrieb GmbH since 1946 and Deutsche Ölwerke Lubmin GmbH since 2013

RAVENOL Bio-Hydraulikoel HEES 32

Category: Other hydraulic oil
Item number: 1321104
Viscosity: 32
Oil type: Synthetic
Recommendation: ISO 15380, VDMA 24532

RAVENOL BIO-Hydraulikoel HEES 32 is based on synthetic, easily biodegradable ester and a powerful, environmentally friendly combination of additives which gives the product excellent properties regarding oxidation stability, corrosion, low temperatures as well as EP behaviour.

Compared with products of vegetable triglyceride base, RAVENOL BIO-Hydraulikoel HEES 32 has much better high temperature oxidation stability.

Application Note

RAVENOL BIO-Hydraulikoel HEES 32 is used wherever there is the danger of hydraulic fluid leaking into the ground or waste water. This includes all equipment operating in or near areas of water purification or water protection or near surface water, such as e.g. sewage treatment plants, dredging ships and floating dredges, lock hydraulics and river weirs, pipe and tunnel diving machines, - hydraulic aggregates in forests and on plains, earth moving machines in water collecting areas, forestry machines.


  • Meets the requirements of the Federal Ministry for consumer protection, alimentation and agricultureregarding good biodegradability and technical specifications.
  • On account of the used raw materials, RAVENOL BIO-Hydraulikoel HEES 32 is classified as waterpolluting class NWG (not water-polluting) – German classification.

Technical Product Data

Density at 20 °Ckg/m³908,0EN ISO 12185
Viscosity at 100 °Cmm²/s7,25DIN 51562-1
Viscosity at 40 °Cmm²/s32,0DIN 51562-1
Viscosity Index VI248DIN ISO 2909
Pourpoint°C-30DIN ISO 3016
Flashpoint°C260DIN EN ISO 2592
Seq. I at 24 °Cml/ml10/0ASTM D892
Seq. II at 93,5 °Cml/ml5/0ASTM D892
Seq. III at 24 °C after 93,5 °Cml/ml5/0ASTM D892
Copper Strip Test at 121 °C1aASTM D130
Air release at 50 °C, max.min.1DIN ISO 9120
Part of renewable raw materials (radio carbon meth%80ASTM D3266

All indicated data are approximate values and are subject to the commercial fluctuations.

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