BLACK EBONY (Diospyros pilosanthera)
Nom commercial
Black ebony
Nom scientifique (avec auteur)
Diospyros pilosanthera Blanco
Famille
Ebenaceae
Noms communs (pays)
Kayu arang (Indonesia); Balun injuk (Indonesia); Semetik (Indonesia); Kaling (Thailand); Damdong (Thailand); Nian (Thailand); Kayu arang (Malaysia); Buey (Malaysia); Ebene macassar (France); Macassar ebony (Indonesia); Tuki (India); East ind. Ebony (India); Andaman ebony (Andaman Islands); Marblewood (Andaman Islands); Tendu (Sri Lanka); Ceylon ebony (Sri Lanka); Coromandel ebony (Indonesia); Macassar ebony (United Kingdom); Kayu hitam (Indonesia); Ebony (Papua New Guinea); Ebenholz makassar (Germany); Ebano di macassar (Italy); Makassar ebben (Netherlands); Bolong eta (Philippines); Thailand ebony (Thailand); Sora (Indonesia)
Synonymes du nom scientifique (avec auteurs)
Diospyros hiernii Koord. & Valeton ex Koord.
DESCRIPTION DE L'ARBRE
Description botanique
It is a medium-sized to fairly large tree up to 40 m tall. The bole is branchless for up to 32 m, up to 85 cm in diameter, with buttresses up to 4 m high.
Habitat naturel
This species is reported in primary lowland forests, sometimes in peat swamp forests or swampy locations, up to 900 m of altitude.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Colored deposits in heartwood vessels. Occasionally tyloses common. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. Intervessel pits small, 7 micras or less. Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Axial parenchyma reticulate. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. 5 to 8 cells per parenchyma strand. Axial parenchyma bands more than 3 cells wide. Rays more than 10 per mm (abundant). Ray height more than 1 mm. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). Fibers with simple to minutely bordered pits.
-
Vue macroscopique du bois (plan tangentiel)
-
Vue microscopique d'une section transversale du bois
Disponibilité
Statut CITES
CITES III
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
It has no distinct odor or taste.
Teinte
The heartwood is dark brown or black and may have reddish stripes, sometimes with pale green, distinctly demarcated from the sapwood which is yellowish-white to pale reddish-brown.
Grain
It varies from straight to shallowly interlocked.
Texture
The texture is very fine, its vessels contain dark or crystalline glistening black deposits.
Luster
This species is moderate in luster.
Durabilité naturelle
It is very durable, it has good weathering properties.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
2
Résistance à l'imprégnation
The wood is extremely resistant to preservative treatment, but the sapwood is moderately permeable.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.69
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.77
Retrait tangentiel total (saturé à 0%TH) (%)
11.3
Retrait radial total (saturé à 0%TH) (%)
6.5
Défauts dus au séchage
Ease of Drying: The wood dries fairly slowly. Boards 15 mm thick take 2.5 to 4 months to air dry from green to 15% moisture content. Drying Defects: Slight bowing and staining are reported. Kiln Schedules: Schedule recommended for Litsea.
Calendrier de séchage en séchoir recommandé
UK-C; US-T3-C2
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.7
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1437
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
168135
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
703
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
161
Dureté Janka (latérale) 12%TH (kgf)
704
OUVRABILITÉ
Sciage
Stellite-tipped saws are necessary for good results.
Coupe de placage de déroulage
Very beautiful veneer can be made by slicing, but pretreatment is required. The veneer is usually used as face veneer.
Placage tranche
Very beautiful veneer can be made by slicing, but pretreatment is required. The veneer is usually used as face veneer.
Effet d'émoussement
It is considered to have a moderate blunting effect on the cutting elements.
Usinage
Special cutters needed. Tearing reported when interlocked grain is present, otherwise smooth planing, turning and carving otherwise possible. Splits easily.
Rabotage
To plane wood with a slightly interlocked grain the cutting angle must be reduced to prevent the grain picking up.
Tournage
30
Perçage
Boring operations are rather easy.
Clouage
Pre-boring is necessary for nailing and screwing.
Collage
It has a poor behavior in gluing.
Finissage
It reacts with polyester finishing, otherwise finishes well. Preparation with alcohol followed by priming recommended.
Polissage
Polishing of this wood is easy.
Compatibilité avec outils manuels
Response to hand tools is reported to be poor.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, TURNING, ornaments, TOOLS, tool handles, OTHER AND MUSICAL INSTRUMENTS, handicrafts
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Meubles luxe
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Armoires
- 24 - Empire Timbers
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
Tournage
- 30 - Embassy of Honduras in Japan
Ornements
- 31 - Embassy of Colombia in Japan
OUTILS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Outils_manches
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
AUTRES ET INSTRUMENTS DE MUSIQUE
- 63 - Madeiras do Brazil II
Artisanat
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Please Provide Information To View Producer Information