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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

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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.

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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

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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

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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

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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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