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Accelerated boron diffusion treatment of timber

, : Accelerated boron diffusion treatment of timber. New Zealand Journal of Forestry Science 2(2): 165-187

Describes the theory and development of a three-stage process (the commercial application of which is covered by a patent held by PTY Industries Ltd., Putaruru) involving hot and cold bath treatments with borate solution followed by a diffusion period at 49 deg C. Small-scale trials on Pinus radiata timber showed that the time required for treatment could be reduced to 7-9 days, compared with 60-80 days for treatment by momentary dip plus diffusion.


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