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Comments Common Names Common Uses Countries of Distribution Drying Defects Ease of Drying Family Name Gluing Grain Heartwood Color Kiln Schedules Luster Nailing Natural Durability Numerical Data Painting Planing Polishing References Regions of Distribution Response to Hand Tools Sapwood Color Scientific Name Steam Bending Strength Properties Texture Trade Name Tree Identification Tree Size Varnishing Scientific Name Platonia insignis Trade Name Bacoropary Family Name Guttiferae Common Names Bacoropary, Bacupary, Bacuri-acu, Bacury, Bacury-guazu, Geelhart, Ibacuri, Mango mataaki, Manil, Manilparcouri, Matazama, Matazana, Matoumani, Pacuru, Pahoorie, Pakoeli, Pakoueli, Pakuri, Pakvri, Paracouril, Parcouri, Parcouri jaune, Parcouri soufre, Ussa fouka, Wild mammee apple Regions of Distribution Latin America Countries of Distribution  [VIEW MAP] Brazil, Colombia, Ecuador, Guyana, Paraguay Common Uses Boat building (general), Boxes and crates, Bridge construction, Cabinetmaking, Cooperages, Flooring, Furniture, Heavy construction, Joinery, Light construction, Paneling, Railroad ties, Turnery, Vats, Vehicle parts, Veneer: decorative Heartwood Color Brown Yellow White Orange Yellow to golden-yellow to orange Brown Sapwood Color Brown Yellow White White to yellow Well defined Paler than heartwood Grain Straight Figure Other (figure) Even Stripe (figure) Straight Other figure Striped figure Figure shows patterns other than those generally described Texture Medium Medium Fine to medium Coarse Medium to coarse Fine Luster Slightly lustrous Lustrous Natural Durability Durable Perishable Non-durable Susceptible to insect attack Non-resistant to marine borers Resistant to powder post beetles Durable Resistant to attack from termites (Isoptera) Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Resistant to attack from powder post (Lyctid & Bostrychid) beetles Moderately resistant to termite (Isoptera) attack Kiln Schedules Dry at a slow speed Drying Defects Checking Moderate twist/warp Moderate surface checking Ease of Drying Moderate Difficult Easy Tree Identification Bole/stem form is not buttressed Bole/stem form is buttressed Bole/stem form is cylindrical Tree Size Tree height is 20-30 m Tree height is 10-20 m Tree height is 0-10 m Tree height is 30-40 m Trunk diameter is 100-150 cm Comments General finishing qualities are rated as good Gluing Fairly Difficult to Very Difficult Fair to Good Results Fairly Easy to Very Easy Nailing Very Good to Excellent Results Fair to Good Results Nails hold poorly Possible if prebored Easy to nail Difficult to nail Planing Fair to Good Results Very Good to Excellent Results Easy to plane Response to Hand Tools Easy to Work Easy to machine Steam Bending Fair to Good Results Poor to Very Poor Results Painting Very Good to Excellent Results Fair to Good Results Polishing Very Good to Excellent Results Fair to Good Results Satisfactory results Good results Varnishing Very Good to Excellent Results Fair to Good Results Fairly Easy to Very Easy Strength Properties Shrinkage, Tangential = large Max. crushing strength = high Density (dry weight) = 46-52 lbs/cu. ft. Shrinkage, Radial = fairly large Bending strength (MOR) = very high Density (dry weight) = 53-60 lbs/cu. ft Shrinkage, Tangential = fairly large Shrinkage, Radial = large Shearing strength (parallel to grain) = very low Hardness (side grain) = medium Shrinkage, Radial = moderate Shearing strength (parallel to grain) = medium Shearing strength (parallel to grain) = low Modulus of Elasticity (stiffness) = high Density (dry weight) = 38-45 lbs/cu. ft. Bending strength (MOR) = medium Shrinkage, Tangential = moderate Modulus of Elasticity (stiffness) = very low Modulus of Elasticity (stiffness) = very high Modulus of Elasticity (stiffness) = medium Hardness (side grain) = very hard Hardness (side grain) = hard Bending strength (MOR) = high Numerical Data Item Green Dry English Bending Strength 17091 24555 psi Density 48 lbs/ft3 Hardness 2046 lbs Maximum Crushing Strength 6899 9945 psi Shearing Strength 1453 psi Stiffness 1919 2224 1000 psi Weight 47 38 lbs/ft3 Radial Shrinkage 5 % Tangential Shrinkage 9 % Item Green Dry Metric Bending Strength 1201 1726 kg/cm2 Density 769 kg/m3 Hardness 928 kg Maximum Crushing Strength 485 699 kg/cm2 Shearing Strength 102 kg/cm2 Stiffness 134 156 1000 kg/cm2 Weight 753 608 kg/m3 Radial Shrinkage 5 % References 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,pp56 Bena, P.,1960,Essences Forestieres de Guyane,Bureau Agricole et Forestier Guyanais Guyana Berni, 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 Research Brown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet Series Caribbean 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.1-18 Demougeot, M.,1934,Les bois de la Guyane Francaise. Le Mahil et le parcowil,Revue International Du Bois 1(11) pp54-59 Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department Fanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1 France - C.T.F.T.,Parcouri - Platonia insignis,C.T.F.T. Information Technique 279 Kribs, D.A.,1950,Commercial and Foreign Woods on the American Market (a manual to their,structure, identification, uses and distribution,U.S.A. Penn. State College, Tropical Woods Laboratory Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207 Loureiro, A.A., Freitas da Silva, M.,1968,Catalogo das Madeiras da Amazonia (2 vols,Min. do Ultramar Belem Brasil Polak, A.M.,1992,Major Timber Trees of Guyana A Field Guide,The Tropenbos Foundation Wageningen, The Netherlands Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University Press Record, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. Press Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.T Sallenave, P.,1971,Proprietes Physiques et Mecaniques des Bois Tropicaux (Deuxieme,Supplement,C.T.F.T. Surinam Forest Service,1952,Surinam Timber - A Summary with brief descriptions of the main timber,species of Surinam,Surinam Forest Service Takahashi, 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.4 Tamolang, F.N., Martawijaya, A., Kartasujana, I., Kadir, K., Parwira, S.,1992,Indonesian Wood Atlas Volume II,Department of Forestry, Agency for Forestry Research and Development,,Bogor-Indonesia Tropical Woods,1968,Madeiras Comercias Brasileiras,Inst. Pesq. Tec. Sao Paulo Brazil Publ.,857 Vink, A.T.,1965,Surinam Timbers,Surinam Forest Service Paramaribo,3rd rev. ed. Wolcott, G.N.,1950,An Index to the Termite Resistance of Woods,Agricultural Experimental Station, University of Puerto Rico Bulletin,No.85