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Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Drying Rate
Luster
Moulding
Natural Durability
Numerical Data
Planing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Screwing
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Tree Size
Veneering Qualities
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Synonyms
Dihophandra oleifera
Common Names
Alcornoque, Mangle nato, Mora, Nato, Pracouba
Regions of Distribution
Central America, Latin America
Countries of Distribution
[VIEW MAP]
Brazil, Colombia, Costa Rica, Ecuador, Panama, Venezuela
Common Uses
Agricultural implements, Boat building (general), Boat building: framing, Bridge construction, Cabinetmaking, Decks, Flooring, Furniture, Heavy construction, Light construction, Plywood, Posts, Railroad ties
Heartwood Color
| Red |
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| Brown |
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| Pink |
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| Reddish brown |
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Sapwood Color
Grain
| Even |
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| Interlocked |
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| Straight |
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Texture
Luster
Natural Durability
| Perishable |
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| Susceptible to insect attack |
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| Non-resistant to powder post beetles |
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| Non-durable |
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| Non-resistant to termites |
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| Non-resistant to marine borers |
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| Durable |
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| Moderately durable |
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| Resistant to attack from termites (Isoptera) |
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| Resistant to attack from powder post (Lyctid & Bostrychid) beetles |
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Drying Defects
| Checking |
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| Collapse |
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| Internal Honeycombing Possible |
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Ease of Drying
| Fairly Easy |
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| Moderately Difficult to Difficult |
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Kiln Drying Rate
| Rapid |
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| Drying rate is fairly rapid to fast |
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Tree Identification
| Bole/stem form is buttressed |
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| Bole/stem form is straight |
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Tree Size
| Bole length is 10-20 m |
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| Trunk diameter is 100-150 cm |
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| Tree height is 30-40 m |
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| Bole length is 20-30 m |
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Cutting Resistance
Moulding
| Very Good to Excellent Results |
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| Fair to Good Results |
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Planing
| Fairly Easy to Very Easy |
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| Fair to Good Results |
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| Very Good to Excellent Results |
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| Planes well, to a good finish |
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Resistance to Impregnation
| Resistant sapwood |
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| Resistant heartwood |
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Response to Hand Tools
| Easy to Work |
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| Easy to machine |
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| Difficult to machine |
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Screwing
| Poor to Very Poor Results |
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Veneering Qualities
| Veneers easily |
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| Suitable for peeling |
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| Veneers moderately easy |
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Strength Properties
| Shearing strength (parallel to grain) = very low |
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| Hardness (side grain) = medium |
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| Modulus of Elasticity (stiffness) = low |
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| Modulus of Elasticity (stiffness) = high |
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| Max. crushing strength = medium |
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| Max. crushing strength = high |
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| Bending strength (MOR) = low |
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| Bending strength (MOR) = high |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 9843 | 15272 | psi |
| Hardness | | 1658 | lbs |
| Maximum Crushing Strength | 5408 | 8171 | psi |
| Shearing Strength | | 882 | psi |
| Stiffness | 1762 | 2031 | 1000 psi |
| | | |
| Item | Green | Dry | Metric |
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| Bending Strength | 692 | 1073 | kg/cm2 |
| Hardness | | 752 | kg |
| Maximum Crushing Strength | 380 | 574 | kg/cm2 |
| Shearing Strength | | 62 | kg/cm2 |
References
Acosta-Solis, M.,1960,Maderas Economicas del Ecuador y sus Usos,Editorial Casa de la Culhra Ecuatoriana Quito
Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department
Little, E.L.,1948,A Collection of Tree Specimens from Western Ecuador,Caribbean Forester,9(3,pp215-98
Peru - P.A.D.T.,1981,Descripcion general y anatomica de 105 Maderas del Grupo Andino,Junta del Acuerdo de Cartagena, P.A.D.T. Report, Junac, Lima, Peru.
Peru - P.A.D.T.,1981,Tablas de propiedades fisicas y mecariicas de la Madera de 24 especies de,Colombia,Junta del Acuerdo de Cartagena, P.A.D.T. Report, Lima, Peru.
Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University Press
Scheffer, T.C., Duncan, C.G.,1947,The Decay Resistance of certain Central American and Ecuadorian Woods,Tropical Woods,12(92, PP1-24
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