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Blunting Effect
Boring
Carving
Certified Source
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Kiln Schedules
Luster
Mortising
Moulding
Movement in Service
Nailing
Natural Durability
Numerical Data
Odor
Painting
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Screwing
Staining
Steam Bending
Strength Properties
Texture
Trade Name
Tree Identification
Tree Size
Turning
Varnishing
Veneering Qualities

Scientific Name
Campnosperma panamensis

Trade Name
Sajo

Family Name
Anacardiaceae

Wood Image 1

Common Names
Hoary, Orey, Orey wood, Sajo

Regions of Distribution
Central America, Latin America

Countries of Distribution  [VIEW MAP]
Brazil, Colombia, Columbia, Costa Rica, Ecuador, Nicaragua, Panama, Peru

Common Uses
Baskets, Bent Parts, Boxes and crates, Building materials, Cabinetmaking, Chairs, Chests, Decorative plywood, Desks, Dining-room furniture, Drawer sides, Fiberboard, Fine furniture, Food containers, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Interior construction, Interior trim, Kitchen cabinets, Light construction, Living-room suites, Millwork, Moldings, Office furniture, Particleboard, Pencil, Plywood, Pulp/Paper products, Pulpwood, Radio - stereo - TV cabinets, Rustic furniture, Stools, Structural plywood, Utility furniture, Utility plywood, Wardrobes

Environmental Profile
Vulnerable
Abundant/Secure
Rare
Vulnerable in parts of its natural habitat
Unknown status is some of its growth areas
Generally secure within most of its natural habitat, but note exceptions.
Data source is World Conservation Monitoring Center

Vulnerable within its habitat in Panama and Colombia. Status in the wild is unknown due to insufficient information in Costa Rica, Nicaragua and Brazil

Distribution Overview
Reported in the Atlantic lowlands of northern Panama, adjacent Costa Rica, and Pacific coastal regions of Colombia; forms almost pure stands in these marshy areas.

Heartwood Color
Red
Brown
Pink
Purple
Black
Green/grey
Highly variable
White to cream
Yellowish tan
Yellow to golden-yellow to orange
Whitish
Reddish brown
Purple
Pale red to pink
Pale brown
Brown


Sapwood Color
Pink
Brown
White
Red
Green/Grey
Yellow
Color not distinct from heartwood
Not clearly differentiated from the heartwood.


Grain
Straight
Even
Interlocked

Straight
Interlocked
Generally straight, but not always


Texture
Medium
Coarse
Fine
Fine
Fine to medium


Luster
Low
Medium
High
Slightly lustrous
Lustrous


Natural Durability
Moderately durable
Durable
Susceptible to insect attack
Non-resistant to powder post beetles
Very durable
Non-durable
Non-resistant to termites
Resistant to marine borers
Resistant to termites
Perishable
Non-resistant to pinhole borers
Resistant to powder post beetles
Non durable
Susceptible to attack by insects and other decay-causing organisms.
Prone to blue stain
Heartwood susceptible to wood staining fungal attack


Odor
Seasoned wood has no characteristic odor or taste
Freshly cut wood is aromatic


Kiln Schedules
Drying (speed) is fast
UK=G US=T8B3/T5B1
T5 - C3 (4/4) US
Dry at a slow speed


Drying Defects
Splitting
Checking
Distortion
Internal Honeycombing Possible
Collapse
Resin Exudation
Air-seasoning may cause checking/warping


Ease of Drying
Fairly Easy
Moderately Difficult to Difficult
Variable
Rapidly
Medium to High Shrinkage
Gum Exudation
Thick Stock Requires Care
Slowly
Requires special attention
Easy
Air-dries rather well
Air-dries quickly with little degrade


Kiln Drying Rate
Naturally dries slowly
Naturally dries at a moderate speed
Very slow
Naturally dries quickly
Drying rate is slow


Tree Identification
Bole/stem form is straight
Bole/stem form is cylindrical


Tree Size
Tree height is 30-40 m
Trunk diameter is 100-150 cm
Trunk diameter is 150-200 cm
Bole length is 10-20 m
Sapwood width is 0-5 cm
Tree height is 40-50 m
Tree height is 50-60 m
Sapwood width is 5-10 cm
Tree height is 20-30 m
Bole length is 20-30 m
Bole length is less than 10 m
Bole length is 30-40 m


Certified Source
Certified Source


Comments
General finishing qualities are rated as good

Blunting Effect
Moderate
Little
Slight effect


Boring
Fairly easy to very easy
Fair to good results
Easy


Carving
Fair to Good Results


Cutting Resistance
Easy to saw
Cutting Resistance with green wood is easy
Cutting Resistance with dry wood is easy
Low resistance


Gluing
Fairly Easy to Very Easy
Fair to Good Results
Easy to glue


Mortising
Fairly Easy to Very Easy
Fair to Good Results
Fairly Difficult to Very Difficult
Moderately easy to mortise
Good mortising properties


Moulding
Fairly Easy to Very Easy
Fair to Good Results
Fairly Difficult to Very Difficult
Moulding ease is moderate
Good moulding properties


Movement in Service
Excellent Stability - Small Movement
Fair to Good Stability - Medium Movement


Nailing
Fairly Difficult to Very Difficult
Pre-Boring Recommended
Fairly Easy to Very Easy
Very Good to Excellent Results
Poor to Very Poor Results
Fair to Good Results
Holds nails well


Planing
Fairly Easy to Very Easy
Fair to Good Results
Fairly Difficult to Very Difficult
Poor to Very Poor Results
Very Good to Excellent Results
Responds well to planing and other machining operations
Planes well, to a good finish
Moderately easy to plane
Easy to plane


Resistance to Impregnation
Resistant heartwood
Resistant sapwood
Heartwood is permeable
Wood is easily treated


Response to Hand Tools
Easy to Work
Fairly Difficult to Difficult to Work
Responds Readily
Easy to machine
Moderate working qualities
Good response


Routing & Recessing
Fair to Good Results
Fairly Easy to Very Easy
Routs well with average machine tools


Sanding
Fairly Easy to Very Easy
Fair to Good Results
Very Good to Excellent Results


Screwing
Fairly Easy to Very Easy
Pre-boring recommended
Fair to Good Results
Good screw holding properties


Turning
Fairly Easy to Very Easy
Fair to Good Results
Very Good to Excellent Results


Veneering Qualities
Difficult to veneer
Veneers easily
Suitable for slicing
Suitable for peeling
Veneers moderately easy


Steam Bending
Poor to Very Poor Results
Fair to Good Results
Unsuitable


Painting
Fair to Good Results
Very Good to Excellent Results


Polishing
Fair to Good Results
Very Good to Excellent Results
Good results


Staining
Fair to Good Results
Very Good to Excellent Results
Staining (Characteristic) = coloured water-soluble extract
Finish is generally good


Varnishing
Fair to Good Results
Fairly Easy to Very Easy
Very Good to Excellent Results


Strength Properties
Bending strength (MOR) = low
Max. crushing strength = low
Modulus of Elasticity (stiffness) = very low
Modulus of Elasticity (stiffness) = low
Density (dry weight) = 23-30 lbs/cu. ft.
Max. crushing strength = medium
Weight = moderate
Surfaces may dent or scratch easily
Surfaces may dent easily
Hardness (side grain) = very soft
Density (dry weight) = 15-22 lbs/cu. ft.
Compression strength (parallel to grain) = low
Bending strength (MOR) = very low
Bending strength (MOR) = medium

Bending strength of the species is considered medium, being much weaker than White oak or Teak in the air-dry condition (about 12 percent moisture content). Maximum crushing strength, or compression strength parallel to grain, is low. It is weaker than Mahogany or Teak. The wood is soft, and surfaces may dent easily. It also does not wear well, and mars easily. The weight is moderate. The species has average, or medium, density.

Numerical Data
ItemGreenDryEnglish
Bending Strength53958807psi
Density24lbs/ft3
Hardness375lbs
Maximum Crushing Strength27235020psi
Stiffness114114451000 psi
Specific Gravity0.29
Weight2520lbs/ft3
ItemGreenDryMetric
Bending Strength379619kg/cm2
Density384kg/m3
Hardness170kg
Maximum Crushing Strength191352kg/cm2
Stiffness801011000 kg/cm2
Specific Gravity0.29

References
Bendtsen, B.A., Chudnoff, M.,1981,Properties of Seven Colombian Woods,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison Research Note FPL0242

Brown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet Series

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

Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department

Takahashi, A.,1975,Compilation of data on the Mechanical Properties of Foreign Woods (Part 2,Central and South America,Shimane University, Japan, Research Report on Foreign Wood No.4

WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.









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