ILBOC (Iberian Lube Base Oils Company, S.A.) is a Spanish producer of base oils formed as a joint venture between Repsol and SK Lubricants. The company operates a large-scale facility in Cartagena, adjacent to Repsol’s refinery, dedicated to manufacturing high-quality Group II and Group III base oils using advanced hydrocracking and hydroisomerization technologies.
ILBOC’s products supply lubricant manufacturers in Europe and beyond for automotive and industrial applications, serving as key components in modern, low-viscosity engine oils and other performance lubricants. With integrated port and road access, the site supports bulk deliveries by ship and tanker. The company emphasizes consistent quality and alignment with evolving specifications for contemporary engine oils and emissions requirements.
