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Bacoropary
Bacoropary (Platonia insignis)

Family: 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

Distributed in: Brazil, Colombia, Ecuador, Guyana, Paraguay (Latin America)

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

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isStriped figure, the textureMedium to coarseand the lusterSlightly lustrous

Natural durability: Susceptible to attack from powder post (Lyctid & Bostrychid) beetles, Susceptible to insect attack

Kiln Schedules: Dry at a slow speed

Drying Defects: Moderate surface checking, Moderate twist/warp

Ease of Drying: Moderate

Tree Identification: Bole/stem form is not buttressed

Comments: General finishing qualities are rated as good

Gluing: Fairly Easy to Very Easy

Nailing: Possible if prebored, Very Good to Excellent

Planing: Very Good to Excellent

Response to hand tools: Easy to machine

Steam bending: Poor to Very Poor Results


Painting: Very Good to Excellent; Polishing: Very Good to Excellent; Varnishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 769 kg/m3
Bending Strength 1201 1726 kg/cm2
Crushing Strength 485 699 kg/cm2
Hardness 928 kg
Impact Strength cm
Shearing Strength 102 kg/cm2
Stiffness 134 156 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 753 608 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
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 %

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

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,pp56Bena, P.,1960,Essences Forestieres de Guyane,Bureau Agricole et Forestier Guyanais GuyanaBerni, 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 ResearchBrown, 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.1-18Demougeot, M.,1934,Les bois de la Guyane Francaise. Le Mahil et le parcowil,Revue International Du Bois 1(11) pp54-59Erfurth, 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.1France - C.T.F.T.,Parcouri - Platonia insignis,C.T.F.T. Information Technique 279Kribs, 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 LaboratoryLongwood, 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 BrasilPolak, A.M.,1992,Major Timber Trees of Guyana A Field Guide,The Tropenbos Foundation Wageningen, The NetherlandsRecord, 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. PressSallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TSallenave, 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 ServiceTakahashi, 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.4Tamolang, 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-IndonesiaTropical Woods,1968,Madeiras Comercias Brasileiras,Inst. Pesq. Tec. Sao Paulo Brazil Publ.,857Vink, 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
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