medium, and the grain is straight to slightly interlocked.
The wood has a fragrant odor, which is lost in drying. Ka-
neelhart is a very strong and very heavy wood (density of
air-dried wood is 833 to 1,153 kg m–3 (52 to 72 lb ft–3));
the wood is difficult to work. It cuts smoothly and takes an
excellent finish but requires care in gluing. Kaneelhart has
excellent resistance to both brown- and white-rot fungi and
is also rated very high in resistance to dry-wood termites.
Uses of kaneelhart include furniture, turnery, boat building,
heavy construction, and parquet flooring.
Kapur
The genus Dryobalanops
consists of nine species
distributed over parts of
Malaysia and Indonesia.
For the export trade, the
species are combined
under the name kapur.
The heartwood is reddish
brown and clearly demarcated from the pale sapwood. The
wood is fairly coarse textured but uniform. In general, the
wood resembles keruing (Dipterocarpus), but on the
whole, kapur is straighter grained and not quite as coarse
in texture. Density of the wood averages about 720 to
800 kg m–3 (45 to 50 lb ft–3) at 12% moisture content.
Strength properties are similar to those of keruing at com-
parable specific gravity. The heartwood is rated resistant
to attack by decay fungi; it is reported to be vulnerable to
termites. Kapur is extremely resistant to preservative treat-
ment. The wood works with moderate ease in most hand
and machine operations, but blunting of cutters may be
severe because of silica content, particularly when the dry
wood is machined. A good surface can be obtained from
various machining operations, but there is a tendency to-
ward raised grain if dull cutters are used. Kapur takes nails
and screws satisfactorily. The wood glues well with urea
formaldehyde but not with phenolic adhesives.
Kapur provides good and very durable construction wood
and is suitable for all purposes for which keruing (Diptero‑
carpus) is used in the United States. In addition, kapur is
extensively used in plywood either alone or with species of
Shorea (lauan–meranti).
Karri
Karri (Eucalyptus diver‑
sicolor) is a very large
tree limited to southwest-
ern Australia.
Karri resembles jarrah
(E. marginata) in struc-
ture and general appear-
ance. It is usually paler
in color and, on average, slightly heavier (913 kg m–3
(57 lb ft–3)) at 12% moisture content. Karri is a heavydurable with respect to decay. The wood is difficult to work
with hand and machine tools because of its high density and
irregular grain.
Jarrah is used for decking and underframing of piers, jetties,
and bridges, as well as piles and fenders for docks and har-
bors. As flooring, jarrah has high resistance to wear, but it
is inclined to splinter under heavy traffic. It is also used for
railroad crossties and other heavy construction.
Jatoba
(see Courbaril)
Jelutong
Jelutong (Dyera costu‑
lata) is an important spe-
cies in Malaysia where it
is best known for its latex
production in the manu-
facture of chewing gum
rather than for its wood.
The wood is white or
straw colored, and there is no differentiation between
heartwood and sapwood. The texture is moderately fine
and even. The grain is straight, and luster is low. The wood
weighs about 465 kg m–3 (28 lb ft–3) at 12% moisture con-
tent. The wood is very easy to dry with little tendency to
split or warp, but staining may cause trouble. It is easy to
work in all operations, finishes well, and glues satisfacto-
rily. The wood is rated as nondurable but readily permeable
to preservatives.
Because of its low density and ease of working, jelutong is
well suited for sculpture and pattern making, wooden shoes,
picture frames, and drawing boards.
Jequitiba
(see Albarco)
Kakaralli
(see Manbarklak)
Kaneelhart
Kaneelhart or brown
silverballi are names
applied to the genus
Licaria. Species of this
genus grow mostly in
Guyana, French Guiana,
and Suriname and are
found in association
with greenheart (Chlo‑
rocardium rodiei) on hilly terrain and wallaba (Eperua) in
forests.
The orange or brownish yellow heartwood darkens to yel-
lowish or coffee brown on exposure to air. The wood is
sometimes tinged with red or violet. The texture is fine to
General Technical Report FPL–GTR– 190