It is probably impossible to completely eliminate movement in wood, but this may be approximated by chemical modification. This is the treatment of wood with chemicals to replace the hydroxyl groups with other hydrophobic functional groups of modifying agents (Stamm, 1964)
At KIEC we do
not use chemical modifications!
This is to ensure the completion of the product life cycle for disposal
purposes.
Wood retains its hygroscopic characteristics after it is put into use. It
is then subjected to fluctuating humidity, the dominant factor in
determining its EMC. These fluctuations may be more or less cyclical, such
as diurnal changes or annual seasonal changes. In order to minimize
the changes in wood moisture content or the movement of wooden objects in
service, wood is usually dried to a moisture content that is close to the
average EMC conditions to which it will be exposed. These conditions vary
for interior uses compared with exterior uses in a given geographic
location....Since wood is a hygroscopic substance wood taken out of a
kiln in Thailand can reabsorb moisture while here and during transport in
the container. This can cause changes in the wood on some pieces.
Complete Article
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http://en.wikipedia.org/wiki/Wood_drying
with a medium to coarse texture. Air-dry specific gravity averages about 0.56.The wood requires careful drying because of shrinkage and moderate to severe warp. Wide spacing facilitates rapid growth in trunk diameter. Wood from large
branches can also be used.......There is evidence that rain tree can grow too large to be utilized by the technology available in some locations (e.g., mills are too small to saw massive logs, etc.©...READ MORE (©PDF Reader Required)
(also known as monkeypod), common name for ornamental tree Pithecellobium saman; fast-growing tree of tropical America with bipinnate leaves, spineless branches, and a short, thick trunk; has globular clusters of yellowish flowers with crimson stamens; sweet-pulp pods eaten by cattle; its wood often used in carving; well suited for use as host for ornamental epiphytes.
Reforestation in Thailand...READ MORE (©PDF Reader Required)
http://www.fao.org/DOCREP/005/AC772E/ac772e0m.htm