Biodegradable and versatile organic hydraulic oil

Legislation provides for bio-hydraulic oils for use in biologically sensitive environments. However, these should be just as efficient as mineral oil-based products. With Divinol SynthoHyd Eco46, lubricant manufacturer Zeller+Gmelin now presents a fully synthetic, biodegradable multigrade hydraulic oil whose properties allow lubricant requirements to be significantly rationalized.

“Our development department is constantly working to steadily increase the proportion of resource-efficient Lubricants, particularly for outdoor applications,” says Andreas Krapf, product manager for automotive and specialty automotive products at Zeller Gmelin. The development of DivinolSynthoHyd Eco46 now serves as the latest example of this commitment within the product portfolio of this long-established company. As an environmentally friendly bio-hydraulic oil, DivinolSynthoHyd Eco46 is suitable for year-round use in construction, agricultural, and forestry machinery, and—thanks to its temperature resistance—can even be used in snow groomers. “Whether on land or in water—our new bio-hydraulic oil is designed to withstand wide temperature fluctuations while protecting the environment by minimizing oil discharge,” Andreas Krapf adds. Divinol SynthoHyd Eco46 can also be used in stationary hydraulic systems and industrial equipment—for example, in injection molding machines, the new product offers significant advantages for users in terms of more energy-efficient, sustainable operation (reducing friction—energy savings) as well as the product’s long-term stability (longer oil change intervals—longer service life).

The new biohydraulic oil has been awarded the EU Ecolabel (DE/027/268), the Austrian Ecolabel, and the Swedish Ecolabel (Swedish Standard SS 155434). The use of a high-quality, zinc- and ash-free additive package also ensures excellent corrosion and wear protection, as well as improved resistance to aging. Due to the characteristics of the synthetic base oil, no gumming or deposits occur even at higher operating temperatures as a result of thermally induced oil aging. The hydraulic oil is formulated with polyalphaolefins (PAO) and is fully biodegradable in accordance with OECD 301 B.

Andreas Krapf concludes: “DivinolSynthoHyd Eco46 has excellent low- and high-temperature behavior and is ideal for extended oil change intervals. This means that our users not only protect the environment and conserve important resources, but in return they also get the performance they need in day-to-day use.”

Further properties of Divinol SynthoHyd Eco46:

• High performance reserves compared to conventional hydraulic oils
• No attack on hose materials and seals
• Extended service life
• Excellent viscosity temperature behavior
• Distinct cold flow behavior
• Very good ageing stability
• enables variety rationalization and simplifies warehousing
• Miscible with mineral oil-based hydraulic oils as well as biodegradable, ester-based hydraulic oils