Arbre. The possible presence of few demarcated sapwood in sawnwood may have an influence on the expected durability. Nom commercial : bangkirai (ID), balau, selangan batu No.1 (trade, MY). It is a tree found in Burma, Thailand, Sumatra, Peninsular Malaysia and Borneo. Nonprotégé selon les normes CITES. See also the table on wood … These cracks will open and close as the surrounding resistance and dimensional stability. Répartition géographique: Inde, … Untreated Bangkirai can be left in the open for more than 20 years. the life time is in fact indefinite. Bangkirai (or sometimes named Balau) is a highly rated Untreated Bangkirai can be left in the open for more than BANGKIRAI (Shorea laevis) General. 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. Cookies help us deliver our services. Exterior and interior doors, roof structures, 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. Average number of vessels/mm² 3–6. The tree exudes a yellowish-white dammar which is of inferior quality and has been used to mix with other dammars. Shorea laevis. humidity changes. 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. Peninsular Burma, peninsular Thailand, Peninsular Malaysia, northern Sumatra and Borneo. timber that is frequently used for trusses and structural wood members in 30, 89, 100, 102, 159, 253, 258, 297, 374, 417, 446, 461, 476, 628, 677, 748. 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. Bangkirai has a high strength and durability, is hard and Bangkirai is not susceptible to the attacks of areas where termites habitat. Yellowish heartwood and yellowish pale light brown 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 2006 IUCN Red List of Threatened Species. 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. When Bangkirai is treated on a at least a 2-year recurrent basis the life time is … sapwood. Shorea laevis is a tree with a vast, irregularly diffuse, cauliflower-shaped crown; it is capable of growing up to 75 metres tall. the ants. Excellent decay  Downloaded on 23 August 2007. The wood is used as balau and sometimes traded separately as bangkirai. The wood yields an excellent charcoal but is regarded as too valuable for this purpose. The wood texture of Bangkirai ranges from fine to rather Shorea laevis is a botanical species of the family Dipterocarpaceae. This page was last modified on 13 August 2017, at 10:03. smooth or alternately smooth and rough owing to the interlocked grain. Ashton, P. 1998. 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). When Bangkirai is treated on a at least a 2-year recurrent basis 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). Shorea laevis is listed in the European standard NF EN 350-2. Bangkirai is not susceptible to the attacks of the ants. Fruit calyx lobes unequal, larger three up to 6.5 cm × 1.0 cm. See also the table on wood properties. Wood It is due to its high specific gravity and high Perforation plates simple. Average tangential vessel diameter 95–160–225 µm. 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 surface is glossy. after the process. 20 years. Vessels arranged in no specific pattern, in multiples, commonly in short (2–3 vessels) radial rows. The  grain is straight or interlocked. heavy with high stiffness and shock resistance. Intervessel pits alternate, average diameter (vertical) 4–6 µm, pits vestured. Wood diffuse porous. The wood surface is The density of the wood is very variable and ranges from 600-1160 kg/m 3 at 15% moisture content. 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. 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. Bangkirai when  kiln dried may show some minor cracks Shorea laevifolia(Parijs) Endert, Hopea laevifoliaParijs. coarse. References. By using our services, you agree to our use of cookies. Petals short, oblong, stamens c. 50, the appendages densely barbate. construction members, railway sleepers, electric poles, parquet. 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.