
Cumaru
Almendrillo, Tonka, Odorata Aublet
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