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Tigerwood

Curupau, Curupay

Anadenanthera colubrina

DISTRIBUTION AREA

Curupay is found in forests ranging from humid subtropical to dry
temperate forests*. Departments of Santa Cruz, Beni, Cochabamba,
Chuquisaca, Tarija and La Paz

TREE DESCRIPTION

Tree Top
Open and sparsed, medium size, green yellowish foliage, composite
and alternate leaves

Trunk

Straight. It reaches commercial heights up to 30* m

Bark
Grayish color, coarse texture, fissured and cracked.

GENERAL CHARACTERISTICS

Sapwood Color

Pale pink

Odor

Indistinct

Luster
Medium to bright

Striped
Tenuous

Hearthwood Color
Darkish Brown

Taste
Distinctive and astringent

Grain
interlocked

Texture
Medium to Fine

PHYSICAL PROPERTIES

Moisture Content (Green Lumber)
40 %

Basic Density
0,85 g/cm3

Density
(12% MOISTURE CONTENT) 1,03 g/cm3

Radisal Shrinkage
4,2 %

Tangential Shrinkage
8,4 %

Volumetric Shrinkage
12,7 %

Rate T/R
2

MECHANICAL RESISTANCE

Modulus of Elasticity
192 1000 Kg/cm2

Modulus of Rupture
1672 Kg/cm2

Compression Parallel tp Grain
839 kg/cm2

Quartered Sawed
163 Kg/cm2

Lateral Hardness
1990 Kg

Impact Bending
6,43 Kg-m

TECHNICAL CONDITIONS FOR PROCESSING

Machining

Good planing when cut with and angle of 15° . Regular moulding
and boring*, excellent sanding; good turning and finishing*. High
blunting effect*

Preservation.

Impermeable

Natural Durability

Very durable, even in contact with soil

Drying
Air drying time is rather quickly*, with tendency to twist and
crack*. Kiln schedule T8 – B3 and T5 – B1 (USA)*

End Users
Heavy construction, Doors and windows frames, Garden furniture, Decking, Decorative veneer, Turnery, Sleepers, Flooring, Stairways,
Wood carvings, Truck beds

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