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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


Wood Image 1

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
ItemGreenDryEnglish
Bending Strength1019920927psi
Crushing Strength11794psi
Density61lbs/ft3
Maximum Crushing Strength68999945psi
Shearing Strength2205psi
Stiffness166525321000 psi
Specific Gravity1.07
Weight6460lbs/ft3
Radial Shrinkage5%
Tangential Shrinkage9%
ItemGreenDryMetric
Bending Strength7171471kg/cm2
Crushing Strength829kg/cm2
Density977kg/m3
Maximum Crushing Strength485699kg/cm2
Shearing Strength155kg/cm2
Stiffness1171781000 kg/cm2
Specific Gravity1.07
Weight1025961kg/m3
Radial Shrinkage5%

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.