Cumarú

Scientific Name

Dipteryx Odorata

Distribution Area

Common in humid tropical forests in transition to subtropical forests* Departments of Cochabamba, Santa Cruz, Pando and Beni

Tree Description

Tree Top

Wide and open with pinnate composite leaves

Trunk

Straight. Reaches heights up to 35 m and 150 cm diameter

Bark

Coarse , scaly and thick. Brown color.

General Characteristics

Sapwood Color

Pale brown

Odor

Distinctive

Luster

Medium

Striped

Tenuous

Hearthwood Color

Yellow to Brown yellowish

Taste

Distinctive and astringent

Grain

interlocked

Texture

Medium to Fine

Physical Properties

Moisture Content (Green Lumber)

44 %

Basic Density

0,8* – 0,91 g/cm3

Density

(12% MOISTURE CONTENT) 0,96* – 0,97 g/cm3

Radisal Shrinkage

5,4 – 5,5* %

Tangential Shrinkage

8,2* – 8,4 %

Volumetric Shrinkage

13,5 – 13,6* %

Rate T/R

1,5* – 1,6

Mechanical Resistance

Modulus of Elasticity

183 1000 Kg/cm2

Modulus of Rupture

1764 Kg/cm2

Compression Parallel tp Grain

987 – 884* Kg/cm2

Quartered Sawed

224 Kg/cm2

Lateral Hardness

1601- 1628* Kg

Impact Bending

Kg-m

Technical Conditions for Processing

Machining

Moderately easy. Good to excellent planing, good moulding, boring, sanding, turning and finishing. Medium blunting effect*

Preservation

Impermeable

Natural Durability

Durable

Drying

Moderate drying time. There is a risk of twisting and bending*. A severe kiln schedule is recommended

End Users

Construction, Flooring, Turnery, Truck beds, Stairways, Decorative veneer, Naval construction, Tongue & groove, Doors and windows frames, Panels, Stairways