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Angelim rajado
Angelim rajado (Marmaroxylon racemosum)

Family: Leguminosae

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

Distributed in: Brazil, French Guiana, Guyana, Suriname (Central America, Latin America)

Distribution overview: French Guiana and the lower Amazon.

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

Product sources: The ITTO reports that the species is an occasional source of timber, some of which is sometimes exported.

Environment profile: Status has not been officially assessed

Tree size: Tree height is 20-30 m

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

Natural durability: Susceptible to marine borer attack, Very durable

Odor: No specific smell or taste

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Severe surface checking, Splitting

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good

Blunting Effect: Medium to fairly severe effect

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Gluing: Use special attention for best results

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Possible if prebored, Pre-Boring Recommended

Planing: Specially tipped cutters are recommended

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Veneering qualities: Veneers easily, Veneers moderately easy

Screwing: Pre-boring recommended ; Turning: Very Good to Excellent Results

Polishing: Very Good to Excellent; Staining: Some care is required ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 1,07
Density 977 kg/m3
Bending Strength 717 1471 kg/cm2
Crushing Strength 829 kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength 155 kg/cm2
Stiffness 117 178 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 1025 961 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
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 %

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

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 ResearchBois et Forets des Tropiques,1984,Boco - Bocoa prouacensis Aubl,Bois et Forets des Tropiques Vol. 205 p.26Bois et Forets des Tropiques,1990,Special Guyane,Bois et Forets des Tropiques Vol. 219Bois et Forets des Tropiques,1991,Acacia franc - Enteroloblium schomburgkii Benth.,Bois et Forets des Tropiques Vol.230 pp.53-56Chichignoud, 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,pp1-15Erfurth, 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.1Kribbs, 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 125Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TTakahashi, 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.4Vink, A.T.,1965,Surinam Timbers,Surinam Forest Service Paramaribo,3rd rev. ed.
*Come interpretare i dati (manleva su eventuali imprecisioni)