CIOL® is a wood modification technology designed as an environmentally friendly alternative to traditional wood preservatives. Utilising a biobased formulation based on sorbitol and citric acid, CIOL® enhances wood's chemical structure, improving its durability, stability, and resistance to decay. This paper provides an overview of the advancements made in CIOL® technology, including its improved fire protection properties, enhanced mechanical performance, and scalability for industrial applications. The results of various tests, including fire resistance, mechanical strength, and marine testing, are discussed, along with the potential of CIOL® treated wood for use in sustainable applications such as construction, outdoor furniture, bicycle frames, and marine structures. The paper also outlines the ongoing development efforts and the opening of a new pilot plant in Norway aimed at validating the technology for large-scale production. The integration of CIOL® into a range of industries highlights its potential to revolutionise wood protection and modification practices, offering a sustainable solution to the growing environmental concerns associated with traditional wood treatment methods.

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