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Blunting Effect Boring Carving Certified Source Comments Common Names Common Uses Countries of Distribution Cutting Resistance Distribution Overview Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Kiln Drying Rate Luster Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Odor Planing Polishing Product Sources References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sapwood Color Scientific Name Screwing Staining Strength Properties Synonyms Texture Toxicity Trade Name Tree Identification Tree Size Turning Veneering Qualities		Scientific Name Marmaroxylon racemosum Trade Name Angelim rajado Family Name Leguminosae Synonyms Abarema racemosa Common Names Angelim rajado, Angelin rajado, Bois macaque, Bois serpent, Bois zebra, Bostamarinde, Bousi tamarin, Forest tamarind, Gevlambe bostamarinde, Inga cagtitu, Ingarana, Ingarana da terra firme, Marblewood, Puta locus, Rostamarinde, Slang-houdou, Snakewood, Sneki housou, Sneki-oedoe, Uru buzeiro Regions of Distribution Central America, Latin America Countries of Distribution  [VIEW MAP] Brazil, French Guiana, Guyana, Suriname Common Uses Agricultural implements, Cabinetmaking, Decorative veneer, Flooring, Flooring: industrial heavy traffic, Furniture , Furniture, Handles: general, Heavy construction, Interior trim, Joinery, Ladders, Light construction, Marquetry, Mine timbers, Paneling, Piling, Plywood, Railroad ties, Sporting Goods, Toys, Turnery, Vehicle parts, Veneer, Wainscotting, Wheel spokes, Wheels Environmental Profile Abundant/Secure Status has not been officially assessed Distribution Overview French Guiana and the lower Amazon. Heartwood Color Brown Red Yellow Orange Green/grey Purple Black Yellow to golden-yellow to orange Brown Pale brown Light buff to yellowish brown Irregular purplish brown streaks Sapwood Color Yellow White Brown Pink White to yellow Paler than heartwood Grain Figure Straight Stripe (figure) Other (figure) Even Distinct (figure) Interlocked Rippled (figure) Irregular Straight Striped figure Other figure Rippled figure Irregular Interlocked Distinct figure Texture Fine Medium Even or uniform Medium Medium coarse to coarse Coarse Luster Medium High Low Lustrous Slightly lustrous Low to Medium Natural Durability Very durable Durable Moderately durable Non-resistant to marine borers Resistant to attack from termites (Isoptera) Durable Susceptible to marine borer attack Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Resistant to wood staining fungal attack Resistant to termites and dry wood insects Resistant to attack from powder post (Lyctid & Bostrychid) beetles Moderately resistant to termite (Isoptera) attack Moderately durable Odor No specific smell or taste Toxicity Some toxic effects Drying Defects Resin Exudation Splitting Checking Distortion Severe surface checking Distortion (twist/warp) is likely Careful control is required to prevent degrade Ease of Drying Moderately Difficult to Difficult Gum Exudation Slowly Radial and tangential shrinkage tends to be rather large. Dries slowly with severe degrade in uncontrolled conditions Kiln Drying Rate Naturally dries slowly Tree Identification Bole/stem form is not buttressed Bole/stem form is straight Bole/stem form is buttressed Tree Size Tree height is 10-20 m Bole length is 0-10 m Tree height is 0-10 m Tree height is 20-30 m Bark width is 5-10 mm Product Sources The ITTO reports that the species is an occasional source of timber, some of which is sometimes exported. Certified Source Certified Source Comments General finishing qualities are rated as good Blunting Effect Little Medium to fairly severe effect Boring Fairly difficult to very difficult Fairly easy to very easy Carving Fairly Easy to Very Easy Cutting Resistance Fairly Difficult to Very Difficult to saw Easy to saw Gluing Fair to Good Results Fairly Easy to Very Easy Use special attention for best results Good gluing properties Mortising Fairly Easy to Very Easy Moulding Fairly Easy to Very Easy Movement in Service Fair to Good Stability - Medium Movement Nailing Pre-Boring Recommended Fairly Difficult to Very Difficult Possible if prebored Difficult to nail Planing Fairly Easy to Very Easy Specially tipped cutters are recommended Hardness and interlocked grain may affect planing Difficult to plane Resistance to Impregnation Resistant heartwood Resistant sapwood Resistant Heartwood is extremely resistant Response to Hand Tools Fairly Difficult to Difficult to Work Easy to Work Responds Readily Difficult to machine Routing & Recessing Fair to Good Results Fairly Easy to Very Easy Screwing Pre-boring recommended Turning Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Veneering Qualities Veneers easily Veneers moderately easy Suitable for peeling Polishing Fair to Good Results Very Good to Excellent Results Fairly Easy to Very Easy Good results Polishes to a smooth surface Staining Fairly Easy to Very Easy Some care is required Good staining properties Strength Properties Density (dry weight) = 67-75 lbs/cu. ft. Density (dry weight) = 61-67 lbs/cu. ft. Density (dry weight) = >75 lbs/cu. ft. Max. crushing strength = high Density (dry weight) = 53-60 lbs/cu. ft. Bending strength (MOR) = medium Shearing strength (parallel to grain) = medium Modulus of Elasticity (stiffness) = medium Bending strength (MOR) = high Weight = very high Shrinkage, Tangential = moderate Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Shrinkage, Radial = moderate Shrinkage, Radial = large Shrinkage, Radial = fairly large Density = very high Bending strength (MOR) = very high Bending strength (MOR) = low Numerical Data Item Green Dry English Bending Strength 10199 20927 psi Crushing Strength 11794 psi Density 61 lbs/ft3 Maximum Crushing Strength 6899 9945 psi Shearing Strength 2205 psi Stiffness 1665 2532 1000 psi Specific Gravity 1.07 Weight 64 60 lbs/ft3 Radial Shrinkage 5 % Tangential Shrinkage 9 % Item Green Dry Metric Bending Strength 717 1471 kg/cm2 Crushing Strength 829 kg/cm2 Density 977 kg/m3 Maximum Crushing Strength 485 699 kg/cm2 Shearing Strength 155 kg/cm2 Stiffness 117 178 1000 kg/cm2 Specific Gravity 1.07 Weight 1025 961 kg/m3 Radial Shrinkage 5 % References 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 Bois et Forets des Tropiques,1984,Boco - Bocoa prouacensis Aubl,Bois et Forets des Tropiques Vol. 205 p.26 Bois et Forets des Tropiques,1990,Special Guyane,Bois et Forets des Tropiques Vol. 219 Bois et Forets des Tropiques,1991,Acacia franc - Enteroloblium schomburgkii Benth.,Bois et Forets des Tropiques Vol.230 pp.53-56 Chichignoud, M., G. Deon, P. Detienne, B. Parant, and P. Vantomme. 1990. Tropical Timber Atlas of Latin America. Prepared for International Tropical Timber Organization (ITTO) by Centre Technique Forestier Tropical (CTFT, Division of CIRAD, 45bis, Avenue de la Belle Gabrielle, Nogent-sur-Marne Cedex, France. Ducke, A.,1943,The Most Important Woods of the Amazon Valley,Tropical Woods,12(74,pp1-15 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 Kribbs, D.A. 1959. Commercial Foreign Woods on the American Market. Buckhout Lab., Dept. of Botany, The Pennsylvania State University, University Park, Pennsylvania. Kukachka, B.F.,1970,Properties of Imported Tropical Woods,Forest Research Paper FPL 125 Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207 Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.T 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 Vink, A.T.,1965,Surinam Timbers,Surinam Forest Service Paramaribo,3rd rev. ed.