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Blunting Effect
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
Nailing
Natural Durability
Numerical Data
Odor
Planing
Polishing
Product Sources
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Screwing
Staining
Steam Bending
Strength Properties
Texture
Trade Name
Tree Size
Veneering Qualities

Scientific Name
Diplotropis martiusii

Trade Name
Sucupira preta

Family Name
Leguminosae

Wood Image 1

Common Names
Alcornoque , Arenillo, Baaka, Chintaquiro, Chontaquiero, Coeur dehors, Congria, Huasai-caspi, Kiabici, Sapupira, Sapupira da varzea, Sapupira do igapo, Sapupira preta, Sucupira, Sucupira preta, Tatabu, Zapan negro, Zwarte kabbes

Regions of Distribution
Central America, Latin America

Countries of Distribution  [VIEW MAP]
Brazil, Columbia, French Guiana, Guyana, Peru, Suriname, Venezuela

Common Uses
Boat building (general), Brush backs & handles, Fine furniture, Flooring, Furniture, Interior trim, Joinery, Light construction, Railroad ties, Stairworks, Tool handles, Turnery

Environmental Profile
Status unknown due to inadequate information
Status has not been officially assessed


Distribution Overview
Tropical South America, in Brazil, Colombia, Guyana, French Guiana, Peru, Surinam, and Venezuela.

Heartwood Color
Brown
Black
Purple
Red
Pink
Dark brown
Reddish brown


Sapwood Color
White to yellow
Clearly differentiated from the heartwood


Grain
Interlocked

Interlocked

Produces a very fine silver figure

Texture
Medium
Coarse
Fine to medium
Coarse


Natural Durability
Susceptible to insect attack
Moderately durable
Perishable
Non-resistant to powder post beetles
Non-durable
Non-resistant to termites
Very durable
Resistant to attack from termites (Isoptera)
Resistant to attack from powder post (Lyctid & Bostrychid) beetles
Resistant to attack by dry-wood insects
Naturally resistant to decay
Highly resistant to attack by termites
Durable


Odor
No specific smell or taste


Drying Defects
Splitting
Checking
Distortion
Slight tendency to distort and check


Ease of Drying
Slowly
Fairly easy
Dries slowly


Kiln Drying Rate
Naturally dries slowly


Tree Size
Bole length is 10-20 m
Sapwood width is 5-10 cm
Tree height is 20-30 m
Tree height is 30-40 m
Trunk diameter is 100-150 cm


Product Sources
The ITTO reports that the species is a fairly important source for timber production, and that the material is exported on a regular but limited basis.

Comments
General finishing qualities are rated as good

Blunting Effect
Moderate
Medium dulling effect on cutting edges


Cutting Resistance
Fairly Difficult to Very Difficult to saw
Moderate to saw


Gluing
Fairly Difficult to Very Difficult
Fair to Good Results
Fairly Easy to Very Easy


Nailing
Fairly Easy to Very Easy
Very Good to Excellent Results
Fair to Good Results
Pre-boring recommended
Possible if prebored
Difficult to nail


Planing
Difficult to plane

Sucupira is hard and typically contains interlocked grain, factors which are reported to combine to make it a rather difficult wood to plane and work in most woodworking operations

Resistance to Impregnation
Resistant heartwood
Resistant sapwood
Poor response to preservative treatment


Response to Hand Tools
Fairly Difficult to Difficult to Work
Easy to Work
Difficult to machine


Screwing
Fairly Easy to Very Easy
Very Good to Excellent Results
Fair to Good Results


Veneering Qualities
Suitable for slicing into decorative veneers


Steam Bending
Fair to Good Results


Polishing
Very Good to Excellent Results
Fair to Good Results
Good results
Requires a filler


Staining
Fair to Good Results


Strength Properties
Density (dry weight) = 67-75 lbs/cu.ft
Density (dry weight) = 61-67 lbs/cu. ft
Density (dry weight) = 53-60 lbs/cu. ft


Numerical Data
ItemGreenDryEnglish
Density54lbs/ft3
Weight6150lbs/ft3
Radial Shrinkage5%
Tangential Shrinkage7%
ItemGreenDryMetric
Density865kg/m3
Weight977801kg/m3
Radial Shrinkage5%

References
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.

Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department

Highley, T.L., Scheffer, T.C.,1970,Natural Decay Resistance of 30 Peruvian Woods,U.S.A. Agriculture Department, Forest Service, Forest Products Laboratory,,Madison Research Paper,No.143

Loureiro, A.A., Freitas da Silva, M.,1968,Catalogo das Madeiras da Amazonia (2 vols,Min. do Ultramar Belem Brasil









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