Angelim Amargosa

Scientific name: Vatairea sericea

 

Other common names:

Angelim-amargoso, Fava-amargosa, Fava-bolacha, Faveira-amargosa, Faveira-bolacha, Sapupira-amarela, Sucupira-amarela,

 

Tree:

Commercial height: 8.20m; Diameter: (DBH) 50.8cm, (DAB) 51.2cm; Trunk: straight; Buttress: from low to 5.10m.

 

General characteristics:

Heartwood/sapwood: distinct;

Thickness of sapwood: 1.5cm to 8.0cm;

Heartwood color: dark yellowish brown (10YR 3/4) with brownish yellow stripes ( 10YR 6/6);

Sapwood color: pinkish grey (7.5YR 7/2);

Growth rings: indistinct;

Grain: irregular;

Texture: medium to coarse;

Tangencial figure: weakly fibrous aspect, due to prominent axial parenchyma and vascular lines;

Radial figure: weakly fibrous aspect due to prominent axial parenchyma and vascular lines;

Luster: lacking;

Odor: indistinct;

Resistance to manual cross-cutting: hard.

 

Preservation:

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

 

Kiln drying:

Rapid (5.0 days) with slight tendency to moderate cupping and warping; Schedule used: mild.

 

Workability/end-uses:

 

Test	Planing	Sanding	Turning	Boring
Number of samples	14	14	14	10
Processing	Easy	Easy	Very easy	Fair
Finishing	Bad	Fair	Excellent	Good
Surface	Fuzzy and torn	Fuzzy	Good	Fuzzy and torn

 

Images

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Phisical Properties:

 

Density(g/cm3)				Shrinkage (%)			Shrinkage Tangential/ Shrinkage Radial
Dry	Green	Basic	12%	Tangential	Radial	Volumetric
0.82	1.22	0.71		8.40	4.50	13.90	1.87

 

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	1003	134	507	84	741	762
Dry	1381	152	661	114	780	805

 

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	43	55	116
Dry	36	50	141

 

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