Renewable raw materials for lubricants primarily include bio-based esters (e.g. from rapeseed oil or used cooking oil) and biogenic additives. They reduce the carbon footprint and promote rapid biodegradability (e.g. according to OECD tests). This is particularly relevant in sensitive areas such as forestry, hydraulic engineering and food environments. In terms of performance, many bioesters impress with a high viscosity index and good lubricity; hydrolysis stability, oxidation protection and seal compatibility are critical factors.
Compatibility tests, cold flow behaviour, shelf life and supply chain security are important factors. Life cycle assessments (LCA), eco-labels and recycling concepts support the selection process. Result: Sustainability without process risk – provided that quality, care and application limits are observed.
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