Jatobá

Scientific name: Hymenaea courbaril

 

Other common names:

Abati, Abati-copul-do-brasil, Abati-timbaí, Algarobo, Árvore-copal, Burandá, Burandã, Castanheiro-de-bugre, Catá, Cataqui-iamani, Comer-de-arara, Copal, Copal-americano, Copal-do-brasil, Corbaril, Embiúva, Farinheira, Guarazema, Iaatiba-iu, Iaatiba-iutaí, Iataíba, Ibiúva, Imbiúva, Iutaí, Jaçaí, Jataí, Jataí -de-embira, Jataí-amarelo, Jataíba, Jataíba-monde, Jataibaúba, Jataicica, Jataí-de-pernanbuco, Jataí-grande, Jataí-jataí, Jataí-mondé, Jataipeba, Jataipeva, Jataí-pororoca, Jataí-roxo, Jataiúba, Jataiúva, Jataí-verdadeiro, Jataí-vermelho, Jataizinho, Jataúba, Jateí, Jateiúva, Jatel, Jati, Jatioba, Jatobá, Jatobá-amarelo, Jatobá-curuba, Jatobá-da-catinga, Jatobá-da-mata, Jatobá-d'anta, Jatobá-de-anta, Jatobá-de-porca, Jatobá-de-porco, Jatobá-de-vaqueiro, Jatobá-do-sertão, Jatobá-mirim, Jatobá-miúdo, Jatobá-roxo, Jatobá-sertão, Jatobá-trapuca, Jatobá-verdadeiro, Jatobazinho, Jatubá, Jetaí, Jetaíba, Jetaíbo, Jetaici, Jetaí-de-pernambuco, Jetaipeba, Jetaiúba, Jetuipeba, Jitaí, Jupati, Juputi, Jutaí, Jutaí-açu, Jutaí-branco, Jutaí-café, Jutaí-catinga, Jutaí-da-várzea, Jutaí-do-campo, Jutaí-do-igapó, Jutaí-grande, Jutaí-mirim, Jutaipeba, Jutaí-pororoca, Jutaí-roxo, Jutaúba, Juteí, Óleo-de-jataí, Óleo-jutaí, Olho-de-boi, Quebra-corrente, Quebra-facão, Quebra-machado, Taici, Trabuca, Trapuca.

 

Tree:

Commercial height: 12.60m; Diameter (DBH): 53.2cm; Trunk: straight.

 

General characteristics:

Heartwood/sapwood: distinct;

Thickness of sapwood: 4.0cm to 10.0cm;

Heartwood color: reddish brown (2.5YR 5/4 to 2.5YR 4/4);

Sapwood color: very pale brown (10YR 7/3) with dark lines;

Growth rings: distinct;

Grain: irregular;

Texture: medium;

Tangencial figure: in very prominent longitudinal bands due to growth rings;

Radial figure: in narrow longitudinal bands caused by growth rings;

Luster: medium;

Odor: indistinct;

Resistance to manual cross-cutting: hard.

 

Preservation:

The heartwood is untreatable with creosote (oil-borne) or with CCA (water-borne).

 

Kiln drying:

Very rapid (3.0 days) showing no significant defects. Schedule used: MILD.

 

Workability/end-uses:

End-Uses: Heavy construction, light construction, boats, turnery, furniture and interior trim, household utensils, toys and paneling.

 

Test	Planing	Sanding	Turning	Boring
Number of samples	19	18	14	10
Processing	Fair	Easy	Easy	Easy
Finishing	Bad	Fair	Excellent	Good
Surface	Torn	Fuzzy	Good	Torn and crushed

 

Images

Click on the images to zoom

 

 

Phisical Properties:

 

Density(g/cm3)				Shrinkage (%)			Shrinkage Tangential/ Shrinkage Radial
Dry	Green	Basic	12%	Tangential	Radial	Volumetric
0.85	1.24	0.76		7.70	3.40	11.40	2.26

 

Mechanical Properties:

 

State	Static Bending		Compression		Janka Hardness
	Modulus of rupture (kgf/cm2)	Modulus of elasticity (1.000kgf/cm2)	Parallel to the grain	Perpendicular to the grain	Parallel to the grain (kgf)	End to the grain (kgf)
			Maximum compression (kgf/cm2)	Stress at proportional limit (kgf/cm2)
Green	1093	146	559	101	902	965
Dry	1399	159	773	141	1253	1116

 

State	Tension	Cleavage strenght	Shear	Nail extration
	Perpendicular to the grain	Maximum compression (kgf/cm)	Maximum compression (kgf/cm)	Parallel to the grain (kgf)	End to the grain (kgf)
	Maximum compression (kgf/cm2)
Green	69	88	148
Dry	68	76	194

 

Source: Laboratory of Forest Products - IBAMA-Brasília-Brazil