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Tatajuba (Bagassa guianensis)
Family: Moraceae Common names: Amapa rana, Amapa-rana, Amaparana, Amarelao, Amarelo, Bagaceira, Bagaceiro, Bagasse, Bagasse jaune, Bagasse juane, Bois bagasse, Bois jaune, Bois vache, Cow-wood, Gale bagasse, Garrote, Gele bagasse, Jawahedan, Katowar, Kaw oedoe, Odon, Tatajuba, Tuwne, Yawahudan Distributed in: Brazil, French Guiana, Guyana, Suriname (Central America, Latin America) Distribution overview: Can be found rather infrequently in the Guianas and the Brazilian Amazon, including Guyana, Surinam, French Guiana, and Brazil. Common uses: Beams, Boat building (general), Boat building, Boat building: decking, Boat building: framing, Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Chairs, Chests, Concealed parts (Furniture), Concrete formwork, Construction, Decks, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Factory construction, Fine furniture, Floor lamps, Flooring, Form work, Foundation posts, Framing, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Joinery, Joists, Kitchen cabinets, Lifeboats, Light construction, Living-room suites, Marine construction, Mine timbers, Office furniture, Piling, Poles, Porch columns, Radio - stereo - TV cabinets, Railroad ties, Roofing, Rough construction, Rustic furniture, Shipbuilding, Sporting Goods, Stools, Tool handles, Turnery, Veneer: decorative Product sources: The ITTO reports that an important and regular source for timber production and exportations. Environment profile: Status has not been officially assessed
Colors: the heart isYellow to golden-yellow to orange, Yellow, but ages to a lustrous golden-brown, to russet, often with streaks and the sapwoodWell defined, White to yellow.The grain isStriped figure, the textureMedium to coarseand the lusterLustrous
Natural durability: Resistant to wood staining fungal attack, Very durable Odor: No specific smell or taste
Silica Content: Siliceous
LightInduced Color Change: Darker
Kiln Schedules: Dry at a slow speed Drying Defects: Slight tendency to distort and check, Slight twist/warp Ease of Drying: Slowly Tree Identification: Bole/stem form is not buttressed Comments: Bark contains large quantities of sweet, sticky latex General finishing qualities are rated as good In the green conidtion, it is superior in properties to White Oak (Quercus alba) Lesser-Known species from South America Mechanical properties in the dry condition are comparable to Shagbark hickory (Carya ovata) Similar characteristics to the African species, Iroko (Chlorophora excelsa) Blunting Effect: Slight to moderate blunting effect on cutters Boring: Good boring qualitites Carving: Good carving characteristics Cutting Resistance: Moderate to saw Gluing: Glues without difficulty Mortising: good Moulding: Moulds well (70+ % of pieces will yield good to excellent ) Movement in Service: Moulds well (70+ % of pieces will yield good to excellent ) Nailing: Good nail holding properties , Pre-boring recommended Planing: Presence of interlocked grain may pose some problems Resistance to Impregnation: Resistant sapwood Response to hand tools: Responds well to hand tools Routing recessing: Fairly Easy to Very Easy
Sanding: Responds well to sanding operations Steam bending: Good steam bending properties
Screwing: Pre-Boring is recommended in screwing , Screws with difficulty ; Turning: Good turning qualities
Painting: Takes paint well ; Polishing: Good; Staining: Stains well; Varnishing: Takes varnish without difficulty ;
Bending strength (MOR) = high 0 Hardness (side grain) = medium 0 Shrinkage, Volumetric = small Shrinkage, Radial = fairly large Modulus of Elasticity (stiffness) = high Shrinkage, Tangential = moderate Max. crushing strength = high Density (dry weight) = 46-52 lbs/cu. ft. Shearing strength (parallel to grain) = medium Max. crushing strength = very high Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Shrinkage, Radial = large Density (dry weight) = 38-45 lbs/cu. ft. Bending strength (MOR) = very high Very heavy Shrinkage, Volumetric = moderate Shrinkage, Tangential = small Shrinkage, Radial = small Shrinkage, Radial = moderate Shearing strength (parallel to grain) = low Shearing strength (parallel to grain) = high High in density Hard Does not marr or dent easily Density (dry weight) = 61-67 lbs/cu. ft Density (dry weight) = 53-60 lbs/cu. ft Compression strength (parallel to grain) = very high Bending strength (MOR) = medium The species is considerably stronger than White oak or Teak. It is hard - harder than Teak, Almeida, D.G. de, Costa, J.R. da,1956,Madeiras do Brasil. (Timbers of Brazil.,Min. Ag. Servico de Economia Rural, Rio de Janeiro, Brazil,pp56Barros Paes de, D.,1966,Bandpudsning af bog, e.g. Teak og Palisander,Traeindustrien (Denmark,16(6,pp86-9Berni, C.A., Bolza, E., Christensen, F.J.,1979,South American Timbers - The Characteristics, Properties and Uses of 190,Species,C.S.I.R.O Div. Building ResearchBois et Forets des Tropiques,1991,Bagasse - Bagassa Tilliaefolia R.Ben,Bois et Forets des Tropiques Vol.230 pp.57-60Brazil -, I.B.D.F.,1980,Woods from Tucurui - characteristics and application,The Ag. Ministry Brazilian Institute for Forest DevelopmentBrazil-Ministerio do Interior,1979,Pesquisas e Informacces sobre especies florestais da Amazonia,Dept. de Recuros Naturais Centro de Tecnologia MadeireiraBrown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet SeriesCaribbean Commission,1952,Information on properties of timbers gathered by questionnaire and,collated in the secretariat of the Caribbean Commission including some,related data from technical literature.,Caribbean Commission, Port of Spain, Trinidad Caribbean Timbers, their,Utilization and Trade within the area CTUTA/1/Doc.7 + App.1-18Chichignoud, M., G. Deon, P. Detienne, B. Parant and P. Vantomme.1990.Tropical Timber Atlas of Latin America. International Tropical Timber Organization (ITTO, Centre Technique Forestier Tropical, Division of CIRAD, 45 bis, Avenue de la Belle Gabrielle, Nogent-sur-marne, CEDEX, France.Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Dickinson, F.E.,1949,Properties and Uses of Tropical Woods 1,Tropical Woods,13(95,pp1-140Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry DepartmentFanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1Lincoln, W. A.1986.World Woods in Color.Linden Publishing Co., Inc., Fresno, California.Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207Loureiro, A.A., Freitas da Silva, M.,1968,Catalogo das Madeiras da Amazonia (2 vols,Min. do Ultramar Belem BrasilMainieri, C., Pereira, J.A.,1965,Madeiras do Brasil,Anuario Brasileiro de Economia Florestal,17(17,PP135-416Polak, A.M.,1992,Major Timber Trees of Guyana A Field Guide,The Tropenbos Foundation Wageningen, The NetherlandsRecord, S.J., Hess, R.W.,1940,American Woods of the Family Moraceae,Tropical Woods,8(61,pp11-54Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressRecord, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. PressTakahashi, A.,1975,Compilation of data on the Mechanical Properties of Foreign Woods (Part 2,Central and South America,Shimane University, Japan, Research Report on Foreign Wood No.4Teixeira, D. E., M. A. E. Santana and M. Rabelo de Souza.1988. Amazonian Timbers for the International Market. ITTO Technical Series 1.Brazilian Institute for Forestry Development, Brazil.Wangaard, F.F., and A.F. Muschler. 1952. Tropical Woods - Properties and Uses of Tropical Woods, Volume III, No. 98. School of Forestry, Yale University, New Haven, Connecticut.Wangaard, F.F., Muschler, A.F.,1952,Properties and Uses of Tropical Woods 3,Tropical Woods,14(98, pp1-190Wangaard, F.F.,1951,The Physical Properties of Tropical Woods,F.A.O. For. & For. Prod. Studies Series No.3 Tropical Woods and Ag.,Residues as sources of pulp,pp10-16WCMC.1992.Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom. |
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