Oleris® Esterol F is a bio-based mixture of methyl esters of linear fatty acids (≥73% C18), saturated and unsaturated with added pour point depressant. It is processed from castor oil, a renewable vegetable source. It has a negative carbon footprint and is readily biodegradable (83% in 28 days OECD 301F). Used as a concrete mold-release agent (all-season formulations), fluxing agent, asphalt/bitumen rejuvenator suitable for both cold and hot mix production processes.