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Kapur
Dryobalanops beccarii Dyer
Dipterocarpaceae
Indonesian kapur (United States of America); Capur d`Indonesia (France); Capur indonesiano (Spain); Capur indonesiano (Italy); Indonesisk kapur (Sweden); Oost-Borne kamfer (Netherlands); Kapoer (Netherlands); Indonesisch kapur (Germany); Indonesian kapur (United Kingdom); Kapur (Sabah); Kapur (Sarawak); Kapur sintuk (Indonesia); Kapur (Malaysia)
Dryobalanops oocarpa v. Slooten
This camphor tree is large to very large, up to 65 cm tall, with a straight bole up to 100 cm in diameter.
Distributed within Borneo, this locally abundant tree occurs on leached sandy soils, sometimes in periodically inundated areas or along streams, below 700 m of altitude.
Brittle heart is occasionally reported for this species. It contains chemicals that discolor ferrous metals when damp.
Wood diffuse porous. Vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 200 micras or more (large). Tyloses common. Vestured pits. Vessel-ray pits reticulate and/or foraminate. Vascular/vasicentric tracheides present. Simple perforatio Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma aliform. Rays storied. Silica bodies in the ray cells. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with distinctly bordered pits.
Unrestricted
The odor resembles camphor.
The sapwood varies from light yellowish brown to pale pink. The heartwood is rose red to dark reddish brown.
5
It is mostly straight, rarely deep interlocking, occasional brittle heart in the innermost heart.
The texture varies from moderately coarse to coarse.
The planed surfaces are not particularly lustrous.
It is resistant to fungi, when fresh it is vulnerable to insects.
3
The heartwood is resistant to impregnation with preservatives, even under pressure, but the sapwood is permeable.
0.54
0.59
6.5
3.0
Drying Defects: There is a moderate risk of splitting, insect attack and staining, and a slight risk of cupping, bowing and end-checking.
UK-E; JP-6
2.2
635
135198
532
38
When green, the timber is easy to saw. Dry timber is less easy to saw because of the presence of silica. Cross cutting is generally easy.
It is good for peeling if well steamed, but resin problems.
It is good for peeling if well steamed, but resin problems.
Saw-teeth may become clogged by resin.
The response of this species to machining operations is good to fair.
Planing is reported to be easy.
Boring is reported to be easy.
Needs pre-bore for nailing. Screws well.
Resin exudation causes gluing problems, urea glues recommended.
Wood of this species is difficult to finish. It needs filling.
HOUSING GENERAL, flooring, FURNITURE AND CABINETS, PLYWOOD AND VENEER, TOOLS, tool handles, CONTAINERS, truck bodies
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