Cedrela Huberi (Acajou rouge)


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Scientific Name
Cedrela huberi

Trade Name
Acajou rouge

Family Name
Meliaceae

Common Names
Acajou rouge, Ceder, Cedrat, Cedre rouge, Cedro, Cedro branco, Cigar box, Cigar box cedar, Epi, Kapere, Red cedar, Soeren, Spanish cedar, Thitkado, Toon, Youhom

Regions of Distribution
Central America, Latin America

Countries of Distribution  [VIEW MAP]
Bahamas, Brazil, Cuba, Dominican Republic, French Guiana, Guyana, Haiti, Honduras, Jamaica, Suriname

Common Uses
Bedroom suites, Boat building, Building materials, Cabinetmaking, Canoes, Chairs, Chests, Cigar boxes, Concealed parts (Furniture), Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Drum sticks, Exterior trim & siding, Exterior uses, Figured veneer, Fine furniture, Floor lamps, Furniture , Furniture components, Furniture squares or stock, Hatracks, Interior construction, Interior trim, Kitchen cabinets, Lifeboats, Living-room suites, Millwork, Moldings, Musical instruments , Office furniture, Organ pipes, Paneling , Piano keys, Planks, Shingles, Shipbuilding

Environmental Profile
The environmental status of this species within its geographical boundaries has not been officially determined. The geographical range of Cedrela is throughout Latin America, from Mexico to Argentina, except Chile. The trees prefer rich, well-drained humid soils, but may also be found growing on drier hillsides

Heartwood Color
The heartwood is pink to pale pink brown or reddish brown when freshly cut. The wood darkens upon exposure to a dark reddish brown, sometimes with a purplish tinge. Resin marks may be present in the wood

Sapwood Color

White to yellow
Pinkish
Clearly differentiated from the heartwood

Timber from younger or fast-grown trees is commonly paler in color

Grain

Even
Interlocked
Straight
Figure
Variable (figure)

 

Variable figure
Straight
Shallowly interlocked

Texture

Coarse
Medium
Uniform
Uneven
Medium to coarse
Fine
Coarse

Luster

Low
High

The wood has moderate to high golden luster.

Natural Durability

Moderately durable
Very suitable for exterior applications
Very high natural resistance
Sapwood susceptible to attack by powder post beetles
Moderately resistant to decay
Liable to attack by marine borers

The wood is highly resistant to attack by termites in the West Indies, and moderately so in West Africa

Odor
The wood has a fragrant, cedary scent due to the presence of oil which may exude and appear on the surface of the timber as a sticky resin

Kiln Schedules

Schedule H (4/4) United Kingdom
10 – D4S (4/4); T8 – D3S (8/4) US

Drying Defects

Slight twist/warp
Slight collapse and honeycomb
No surface checking
Moderate collapse and honeycombing
Expect severe degrade due to knots, splits, and loosening

Ease of Drying

Fairly Easy
Easy
Dries at a fairly rapid rate

Tree Size

Bole length is 0-10 m
Tree height is 10-20 m
Tree height is 20-30 m

Product Sources
The ITTO reports that a very important source of timber. The timber is exported regularly, especially as square-edged timber and veneer.

Comments
Volatiles in the material may restrict the use of the wood in some applications. Timber from younger or fast-grown trees is commonly less resinous

Blunting Effect

Blunting effect on machining is slight
Blunting effect on machining is moderate

Boring
The wood is difficult to bore cleanly

Carving

Easy to carve

Cutting Resistance

Easy to saw

The wood saws without too much difficulty, though there may be a tendency towards woolliness, and resin may clog tools. Cross-cutting and narrow bandsawing operations are satisfactorily

Gluing

Satisfactory gluing properties

Mortising

Good mortising properties

Moulding
A French head yields the most satisfactory moulding results

Movement in Service

Stable

Nailing

Satisfactory nailing properties
Holds nails well

Planing
A good finish may be produced in planing if the cutting angle is reduced to 20 degrees

Resistance to Impregnation

Sapwood is permeable
Heartwood is resistant
Heartwood is extremely resistant

Response to Hand Tools

Easy to machine

Routing & Recessing

Good in both routing and recessing.

Turning

Good results

Steam Bending
The wood is suitable for bends of moderate radius of curvature

Polishing

Surface treatment advised
Good results

Staining

Stains well

Strength Properties

Weight = medium
Soft
Max. crushing strength = medium
Dents and mars easily
Compression strength (parallel to grain) = medium
Bending strength (MOR) = high

The species has average, or medium, density.

Numerical Data

Item Green Dry English
Bending Strength 6595 11074 psi
Crushing Strength 382 696 psi
Density 25 lbs/ft3
Hardness 559 lbs
Maximum Crushing Strength 3038 5890 psi
Shearing Strength 1176 psi
Static Bending 3940 7154 psi
Stiffness 1147 1392 1000 psi
Toughness 80 inch-lbs
Work to Maximum Load 7 12 inch-lbs/in3
Specific Gravity 0.34 0.37
Weight 25 20. lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 6 %
Volumetric Shrinkage 10 %
Item Green Dry Metric
Bending Strength 463 778 kg/cm2
Crushing Strength 26 48 kg/cm2
Density 400 kg/m3
Hardness 253 kg
Maximum Crushing Strength 213 414 kg/cm2
Shearing Strength 82 kg/cm2
Static Bending 277 502 kg/cm2
Stiffness 80 97 1000 kg/cm2
Toughness 92 cm-kg
Work to Maximum Load 0.49 0.84 cm-kg/cm3
Specific Gravity 0.34 0.37
Weight 400 320. kg/m3
Radial Shrinkage 4 %
Tangential Shrinkage 6 %

References
Boone, R.S., C.J. Kozlik, P.J. Bois, E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Hardwoods – Temperate and Tropical. USDA, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin.

Chichignoud, M., G. Deon, P. Detienne, B. Parant, and P. Vantomme. 1990. Tropical Timber Atlas of Latin America. International Tropical Timber Organization (ITTO, Centre Technique Forestier Tropical, Division of CIRAD, 45 bis Avenue de la Belle Gabrielle, Nogent-sur-marne, CEDEX, France.

Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.

HMSO. 1981. Handbook of Hardwoods, 2nd Edition. Revised by R. H. Farmer. Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Princes Risborough, Aylesbury, Buckinghamshire.

Wangaard, F.F., and A.F. Muschler. 1952. Tropical Woods – Properties and Uses of Tropical Woods, Volume III, No. 98. School of Forestry, Yale University, New Haven, Connecticut.