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TERAP (Artocarpus elasticus)
Nom commercial
Terap
Nom scientifique (avec auteur)
Artocarpus elastica Reinw.
Famille
MORACEAE
Noms communs (pays)
Teureup (Indonesia); Terap; Malagumihan (Philippines); Kumbu (Indonesia); Teo mongkuni (Indonesia); Tipulu (Indonesia); Kumut (Indonesia)
DESCRIPTION DE L'ARBRE
Description botanique
It is a medium-sized evergreen tree rarely reaching 45 m tall. The bole is branchless for up to 30 m and up to 125 cm in diameter. The buttresses are up to 3 m high.
Habitat naturel
Artocarpus elasticus occurs in evergreen and deciduous primary and secondary forests, in a range between 300 to 1,500 m of altitude.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Tangential diameter of vessel lumina 200 micras or more (large). Colored deposits in heartwood vessels. Vessels per mm2 less than 6 (rare). Vessel-ray pits reticulate and/or foraminate. Simple perforation plates. Axial parenchyma aliform. Axial parenchyma confluent. 4 to 10 rays per mm (medium). Larger rays more than 4 seriate. Sheath cells. Oil and/or mucilage cells associated with the axial and/or ray parenchyma (idioblasts). Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kri Septate fibers present. Fibers with distinctly bordered pits.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
It has no taste or odor.
Teinte
The sapwood is well differentiated, almost white. The heartwood varies from yellow to light yellowish brown, partly with orange shimmer.
Index de Teinte (1 = Noir, 7 = Jaune clair)
3
Grain
It presents interlocked grain.
Texture
Its texture is medium to coarse, its vessels partly are filled with whitish deposits.
Luster
It is moderately lustrous.
Durabilité naturelle
It is non-durable when exposed to the weather or in contact with the ground.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
5
Tensions internes de croissance
Significant growth stresses are reported for this species.
Teneur en silice
Silica Content: Silica is generally absent. Silica Value: 0
Résistance à l'imprégnation
The heartwood is very difficult to impregnate, sapwood absorbs preservatives readily.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.45
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.49
Défauts dus au séchage
Ease of Drying: Air drying is reported to be good.
Calendrier de séchage en séchoir recommandé
JP-25
Calendrier de séchage en séchoir
http://www.tropicaltimber.info/wp-content/uploads/2015/09/KD_Japanese_ENG.pdf
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
510
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
81215
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
278
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
53
Dureté Janka (latérale) 12%TH (kgf)
394
Dureté Janka (extrémités) 12%TH (kgf)
236
OUVRABILITÉ
Sciage
Cutting operations are generally easy unless interlocked grain is found.
Coupe de placage de déroulage
This timber is reported to be suitable for lamination.
Placage tranche
This timber is reported to be suitable for lamination.
Usinage
Wood processing is reported to be easy.
Rabotage
The wood can be planed to a smooth surface, but there is some picking up on the radial face.
Tournage
30
Perçage
Boring operations are rather easy.
Clouage
Nailing properties are good.
Collage
The timber is reported to glue well.
Finissage
Finishing is easy but the surfaces are rough even if filled.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
HOUSING GENERAL, boards, panelling, FURNITURE AND CABINETS, PLYWOOD AND VENEER, cores, TURNING, PACKING, pallets, OTHER AND MUSICAL INSTRUMENTS, handicrafts
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Planches
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Panneaux
- 18 - W3TROPICOS Missouri Botanical Garden
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
âmes (de placage)
- 27 - Embassy of Brazil in Japan
Tournage
- 30 - Embassy of Honduras in Japan
EMBALLAGE
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Emballage, palettes
- 48 - The strength properties of timbers
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.)
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