February 18, 2011

Kebonized wood based on pine, maple and beech

Kebony is a high performance wood that is modified by a process called Kebonization, which is an environmentally friendly procedure that enhances the properties of wood using biowaste from the sugar industry. Kebony is a durable alternative to impregnated surface-treated and tropical timber.

The process, which is based on a liquid extracted from biowaste, strengthens the cellular walls of wood, increases the density of the materials, and makes the product stiffer and significantly harder than untreated wood. Kebonization results in the wood cells being permanently blocked, which reduces shrinkage and swelling by approximately 50% when compared with untreated wood. The polymer is permanently bonded to the cell structure in the wood by means of a process that cannot be reversed; thus, Kebony contains no chemicals that can be released into the environment. In the waste disposal phase, Kebony can be treated as regular untreated wood.

Available Kebony species are pine, spruce, oak, beech, maple and southern yellow pine. The raw materials for Kebony are acquired from commercially managed forests with large timber harvests. Kebonized wood has a golden brown colour that naturally turns grey. Kebony acquires a natural silver-grey patina and exposure to sun and rain creates an interesting effect of visual depth.

Kebony exhibits good durability and long life spans in harsh climates, and there is no need for paint or sealing. The increased resistance protects against decay, fungi, insects and other microorganisms. Required maintenance is limited to normal cleaning.

Contact: Kebony ASA, Skien, Norway.

For more information, see Transmaterial 3: A Catalog of Materials that Redefine our Physical Environment

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