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Blunting Effect
Common Names
Common Uses
Countries of Distribution
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Luster
Natural Durability
Numerical Data
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Strength Properties
Synonyms
Texture
Trade Name
Tree Size
Turning

Scientific Name
Bastardiopsis densiflora

Trade Name
Jangada brava

Family Name
Malvaceae

Synonyms
Sida densiflora


Wood Image 1

Common Names
Jangada brava, Loro blanco, Louro blanco, Peterebimoroti

Regions of Distribution
Latin America

Countries of Distribution  [VIEW MAP]
Argentina, Brazil, Paraguay

Common Uses
Boxes and crates, Joinery, Light construction, Millwork, Plywood, Pulp/Paper products

Heartwood Color
Red
Brown


Sapwood Color
White
Yellow


Grain
Even
Straight

Straight


Texture
Fine
Medium
Coarse
Medium
Fine


Luster
Slightly lustrous


Natural Durability
Durable
Perishable
Non-durable
Non-resistant to powder post beetles
Susceptible to insect attack
Non durable


Ease of Drying
Fairly Easy
Slowly


Kiln Drying Rate
Naturally dries slowly


Tree Size
Tree height is 20-30 m
Tree height is 10-20 m
Tree height is 30-40 m
Bole length is 0-10 m
Tree height is 0-10 m


Blunting Effect
High to severe


Gluing
Fairly Difficult to Very Difficult


Resistance to Impregnation
Permeable sapwood
Resistant sapwood
Resistant heartwood
Permeable heartwood


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


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


Strength Properties
Bending strength (MOR) = medium
Shrinkage, Tangential = fairly large
Shrinkage, Radial = fairly large
Shrinkage, Volumetric = fairly large
Modulus of Elasticity (stiffness) = low
Max. crushing strength = medium
Max. crushing strength = high
Shearing strength (parallel to grain) = medium
Modulus of Elasticity (stiffness) = very low
Hardness (side grain) = soft
Bending strength (MOR) = high


Numerical Data
ItemGreenDryEnglish
Bending Strength1016415844psi
Hardness995lbs
Maximum Crushing Strength54088171psi
Shearing Strength2205psi
Stiffness124514451000 psi
Radial Shrinkage5%
Tangential Shrinkage8%
Volumetric Shrinkage13%
ItemGreenDryMetric
Bending Strength7141113kg/cm2
Hardness451kg
Maximum Crushing Strength380574kg/cm2
Shearing Strength155kg/cm2
Stiffness871011000 kg/cm2
Radial Shrinkage5%
Tangential Shrinkage8%

References
Celulosa Argentina,1973,Libro del Arbol,Celulosa Argentina Buenos Aires 3 Vols

Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University Press

Sao Paulo - Instituto de Pesquisas Tecnologicas,1956,Tabelas de Resultados obtidos para Madeiras Nacionais,Inst. Pesq. Tec. Sao Paulo, Brazil Bol., No.31(2nd Ed.)

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

Tortorelli, L.,1956,Maderas y Bosques Argentinos,Editorial Acme S.A.C.I. Buenos Aires