The treatment of wood and wood products with boron esters is reviewed. The physical and chemical characteristics of boron esters affecting the treatability of wood are discussed, in particular thermal decomposition and rates of hydrolysis. The uses and methods applying boron esters as wood preservatives include: (i) Solutions of boron esters for remedial and diffusible treatment of wood; (ii) solid boron esters for remedial treatments; (iii) vapour treatments using low boiling points esters, for example trimethyl borate; (iv) solutions of boron esters for light organic solvent preservatives (LOSP) treatment.

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