By using our services, you agree to our use of cookies. the life time is in fact indefinite. The wood yields an excellent charcoal but is regarded as too valuable for this purpose. smooth or alternately smooth and rough owing to the interlocked grain. It is a tree found in Burma, Thailand, Sumatra, Peninsular Malaysia and Borneo. Bangkirai has a high strength and durability, is hard and Petals short, oblong, stamens c. 50, the appendages densely barbate. The possible presence of few demarcated sapwood in sawnwood may have an influence on the expected durability. A vast and very large tree up to 75 m tall, bole branchless for 18-27 m and up to 210(-240) cm in diameter, with prominent buttresses of up to 6 m high. The stout, often twisted bole can be up to 240cm in diameter with stout, prominent buttresses up to 6 metres high and 4 metres outwards Shorea laevis is a tree with a vast, irregularly diffuse, cauliflower-shaped crown; it is capable of growing up to 75 metres tall. 30, 89, 100, 102, 159, 253, 258, 297, 374, 417, 446, 461, 476, 628, 677, 748. Shorea laevis. Peninsular Burma, peninsular Thailand, Peninsular Malaysia, northern Sumatra and Borneo. Shorea est un genre de plantes de la famille des Dipterocarpaceae et regroupant environ 200 espèces d'arbres de grande taille, originaires du sud-est asiatique, en particulier de Malaisie, Sumatra et Bornéo When Bangkirai is treated on a at least a 2-year recurrent basis the life time is … after the process. References. S. laevis is a widespread, often common or even gregarious species, occurring on well-drained soils with a preference for ridges at (0-)200-1000(-1200) m altitude. The  grain is straight or interlocked. Nonprotégé selon les normes CITES. This page was last modified on 13 August 2017, at 10:03. The wood is used as balau and sometimes traded separately as bangkirai. Bangkirai when  kiln dried may show some minor cracks Intervessel pits alternate, average diameter (vertical) 4–6 µm, pits vestured. coarse. These cracks will open and close as the surrounding Arbre. Leaves narrowly ovate-lanceolate, falcate, 6.5-10 cm × 2.5-4 cm, thinly leathery, with 11-14 pairs of secondary veins not prominent on either surface. Shorea laevifolia(Parijs) Endert, Hopea laevifoliaParijs. the ants. Bangkirai is not susceptible to the attacks of the ants. Nom commercial : bangkirai (ID), balau, selangan batu No.1 (trade, MY). sapwood. Wood The tree exudes a yellowish-white dammar which is of inferior quality and has been used to mix with other dammars. surface is glossy. See also the table on wood … Shorea laevis is a botanical species of the family Dipterocarpaceae. Ashton, P. 1998. Bangkirai wood. BANGKIRAI (Shorea laevis) General. The density of the wood is very variable and ranges from 600-1160 kg/m3 at 15% moisture content. Bangkirai (or sometimes named Balau) is a highly rated timber that is frequently used for trusses and structural wood members in areas where termites habitat. Perforation plates simple. See also the table on wood properties. Cookies help us deliver our services. Average tangential vessel diameter 95–160–225 µm. S. laevis is a widespread, often common or even gregarious species, occurring on well-drained soils with a preference for ridges at (0-)200-1000(-1200) m altitude. Excellent decay  Répartition géographique: Inde, … Bangkirai (or sometimes named Balau) is a highly rated timber that is frequently used for trusses and structural wood members in areas where termites habitat, however, it is fiction to believe that Bangkirai is 100% termite resistant as many others tend to believe. Untreated Bangkirai can be left in the open for more than 20 years. Average number of vessels/mm² 3–6. These are: Bangkirai and Merbau (but only the core wood - heartwood - of the tree), Djati teak (far too expensive to be used for wooden prefab houses) and Iron wood (prohibited to be exported), as such in fact only 2 wood species remain for the construction of reliable termite resistant wooden houses. Vessels arranged in no specific pattern, in multiples, commonly in short (2–3 vessels) radial rows. Wood diffuse porous. The wood texture of Bangkirai ranges from fine to rather Downloaded on 23 August 2007. humidity changes. heavy with high stiffness and shock resistance. Bangkirai (or sometimes named Balau) is a highly rated BANGKIRAI (Shorea laevis) General. It is due to its high specific gravity and high Fruit calyx lobes unequal, larger three up to 6.5 cm × 1.0 cm. Bangkirai is not susceptible to the attacks of The density of the wood is very variable and ranges from 600-1160 kg/m 3 at 15% moisture content. 20 years. Untreated Bangkirai can be left in the open for more than When Bangkirai is treated on a at least a 2-year recurrent basis The wood surface is timber that is frequently used for trusses and structural wood members in Shorea laevis is listed in the European standard NF EN 350-2. https://uses.plantnet-project.org/e/index.php?title=Shorea_laevis_(PROSEA)&oldid=327389, Creative Commons Attribution-ShareAlike License, Indonesia: bangkirai, balau tanduk (general), benuas (Kalimantan), Malaysia: balau kumus (Peninsular), selangan kumus, mikai (Sarawak), selangan batu kumus (Sabah). 2006 IUCN Red List of Threatened Species. resistance and dimensional stability. Only Shorea laevis has a good enough natural durability to allow end-uses under use class 5 (end-uses in marine environment or in brackish water). Exterior and interior doors, roof structures, construction members, railway sleepers, electric poles, parquet. areas where termites habitat. Yellowish heartwood and yellowish pale light brown
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