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Blunting Effect
Boring
Carving
Comments
Common Names
Common Uses
Corrosive Properties
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
Natural Growth Defects
Numerical Data
Odor
Planing
Polishing
Product Sources
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sanding
Sapwood Color
Scientific Name
Screwing
Staining
Steam Bending
Strength Properties
Substitutes
Synonyms
Texture
Toxicity
Trade Name
Tree Identification
Tree Size
Turning
Varnishing
Veneering Qualities
| |
Synonyms
Nectandra leucantha, Nectandra rodiaei, Nectandra rodioei, Ocotea rodiaei, Ocotea rodiei
Common Names
Achiamandola, Bebeeree, Bebeereen, Bebeeru, Beberu, Beberubaum, Beberuboom, Beeberoe, Bibiju, Bibir, Bibira, Bibiri, Bibiro, Bibiroo, Bibiru, Bibirubaum, Biburu, Black greenheart, Brown greenheart, Bull forehead greenheart, Cipiri, Cogwood, Demerara, Demerara greenheart, Demerara groenhart, Detema, Geelhart, Greenheart, Groen hart, Groenhartboom, Gruenherzbaum, Grunherzbaum, Grunholz, Ispingo moena, Itauba, Itaube, Kevatuk, Kut, Kwatuk, Kwatuk sipu, Maratakka, Pakouli, Queenwood, Rora, Rora-ek, Sepeira, Sepeiro, Sepira, Sipira, Sipiri, Sipiroe, Sipu, Supeira, Torchwood, Tugui, Tugul, Viruviru, Wainop, White greenheart, Yellow greenheart
Regions of Distribution
Central America, Latin America, Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Bahamas, Brazil, Cuba, Dominican Republic, French Guiana, Guyana, Haiti, Jamaica, Suriname, Venezuela
Common Uses
Agricultural implements, Barge fenders, Billiard-cue butts, Boat building (general), Boat building: decking, Boat building: framing, Bobbins, Bridge construction, Building construction, Building materials, Cabin construction, Construction, Decks, Docks, Dockwork, Factory construction, Factory flooring, Filter press plates, Fishing rods, Flooring, Flooring: industrial heavy traffic, Furniture, Harbor work, Heavy construction, Joinery, Light construction, Lock gates, Marine construction, Mine timbers, Naval architecture, Picker sticks, Pile-driver cushions, Piling, Plywood, Poles, Posts, Pulp/Paper products, Raft floats, Rafts, Railroad ties, Shade rollers, Shuttles, Specialty items, Spindles, Spools, Sporting Goods, Stencil & chisel blocks, Structural work, Sub-flooring, Sucker rods, Tool handles, Turnery, Umbrella handles , Vats, Vehicle parts, Veneer: decorative, Wharf construction, Wheel spokes
Environmental Profile
| Vulnerable |
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| Abundant/Secure |
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| Status unknown due to inadequate information |
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| Data source is World Conservation Monitoring Center |
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Distribution Overview
The natural range of the species includes Guyana, Surinam, and Venezuela. It is also reported to occur from the Maroni region of western French Guyana to northern Brazil. Commercial quantities are found in the northern and central regions of Guyana
Heartwood Color
| Brown |
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| Black |
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| Red |
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| Green/grey |
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| Greenish to greyish |
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| Dark brown |
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| Black |
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| Yellow to golden-yellow to orange |
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| Pale brown |
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| Brown |
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| Yellowish to greenish |
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| Olive - light |
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| Olive - dark |
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| Light reddish-brown to yellowish-brown |
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Decayed or defective logs have a yellowish color.
Sapwood Color
| Yellow |
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| White |
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| Red |
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| Brown |
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| Pink |
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| White to yellow |
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| Different than heartwood |
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| Paler than heartwood |
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| Pale yellow |
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| Not clearly differentiated from the heartwood |
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| Greenish tinge |
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Grain
| Straight |
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| Figure |
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| Other (figure) |
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| Interlocked |
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| Distinct (figure) |
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| Even |
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| Closed |
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| Wavy |
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| Weak (figure) |
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| Straight |
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| Other figure |
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| Interlocked |
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| Distinct figure |
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| Weak figure |
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| Wavy |
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| Straight to roey |
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Texture
| Fine |
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| Even or uniform |
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| Uniform |
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| Medium |
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| Coarse |
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| Fine |
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| Fine to medium |
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| Medium |
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| Uniform |
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| Medium coarse to coarse |
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Generally free from knots and other defects
Luster
Natural Growth Defects
Natural Durability
| Susceptible to insect attack |
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| Moderately durable |
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| Non-durable |
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| Very durable |
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| Perishable |
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| Non-resistant to termites |
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| Resistant to termites |
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| Resistant to powder post beetles |
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| Very durable |
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| Resistant to attack from marine borers |
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| Resistant to attack from termites (Isoptera) |
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| Susceptible to marine borer attack |
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| Resistant to attack from pinworms (ambrosia beetles) |
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| Resistant to attack from powder post (Lyctid & Bostrychid) beetles |
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| Durable |
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| Suitable for marine applications |
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| Sapwood is vulnerable to attack by pinhole borers |
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| Sapwood is susceptible to wood staining fungal attack |
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| Pinworms (ambrosia beetles) often present in the standing tree |
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| Pinworms (ambrosia beetles) may be present in the felled log |
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| Moderately resistant to marine borer attack |
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| Heartwood has excellent resistance to pinhole borers, marine borers, and dry-wood termites |
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Greenheart is acidic, and has a slight corrosive effect on iron and iron compounds under moist conditions.
Odor
| Seasoned material has no specific odor or taste |
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Corrosive Properties
Toxicity
| Unspecified toxicity |
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| Respiratory effects |
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| Non-toxic |
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| Sawdust can cause irritation in some individuals |
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Wood splinters are also poisonous.
Kiln Schedules
| Dry at a slow speed |
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| UK=B US=T2C2/T2C1 Fr=2 |
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| Kiln Drying Rate (in days) is slow |
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| UK=C US=T3C2/T3C1 Fr=3 |
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| T2 - C2 (4/4); T2 - C1 (8/4) US |
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| Schedule B - United Kingdom |
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| Drying (speed) is fast |
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| Dry at a moderate speed |
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Drying Defects
| Checking |
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| Splitting |
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| Distortion |
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| Internal Honeycombing Possible |
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| Moderate end spitting |
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| Moderate surface checking |
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| Slight twist/warp |
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| Severe surface checking |
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| Severe end splitting |
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| Moderate twist/warp |
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| Slight surface checking |
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| Slight end splitting |
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Degrade can be considerable especially in thick material. Warping is slight but the material has a marked tendency to check and end-split. Existing shakes may extend and knots may split.
Ease of Drying
| Slowly |
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| Rapidly |
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| Moderately Difficult to Difficult |
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| Difficult |
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| Moderate |
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| Easy |
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| Dries slowly with some degrade |
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Thicker stock (over 1 inch or 25 mm) should be air-dried before kiln drying.
Kiln Drying Rate
| Naturally dries slowly |
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| Very slow |
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| Drying rate is slow |
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| Naturally dries quickly |
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| Naturally dries at a moderate speed |
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| Slow (18-28 days for boards < 32 mm, to 52-84 days for boards >= 63 mm) |
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Tree Identification
| Bole/stem form is buttressed |
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| Bole/stem form is not buttressed |
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| Bole/stem form is straight |
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| Bole/stem form is cylindrical |
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Tree Size
| Tree height is 20-30 m |
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| Sapwood width is 5-10 cm |
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| Sapwood width is 0-5 cm |
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| Tree height is 0-10 m |
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| Tree height is 10-20 m |
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| Bole length is 10-20 m |
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| Tree height is 30-40 m |
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| Trunk diameter is 100-150 cm |
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Large evergreen trees with unbutressed base
Product Sources
The ITTO reports that timber from this species is produced at a regular rate. Exportation is also regular.
Greenheart is marketed principally in Europe, with only limited quantities coming to the US market. It is available only in the lumber form from a few principal importers, and is typically priced in the expensive range.
Substitutes
The following species in the database is superior to Greenheart Tonka (Dipteryx odorata) is similar in all properties except hardness and strength in tension perpendicular to grain.
Bulletwood (Manilkara bidentata) is equal or superior to Greenheart in resistance to shock, hardness, shear strength, and strength in bending:
Okan (Cylicodiscus gabunensis) is also a possible substitute.
Comments
General finishing qualities are rated as good
General finishing qualities are rated as poor
Blunting Effect
| Moderate |
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| High to severe |
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| Blunting effect on machining is fairly severe |
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| Blunting effect on sawing dry wood is severe |
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| Moderate to high blunting effect on cutting edges |
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| Blunting effect on machining is moderate |
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Boring
| Fairly difficult to very difficult |
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| Fair to good results |
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Carving
| Fairly Easy to Very Easy |
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| Fair to Good Results |
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| Poor carving characteristics |
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Cutting Resistance
| Easy to saw |
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| Fairly Difficult to Very Difficult to saw |
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| Cutting Resistance with dry wood is difficult |
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Cutting resistance is generally high, and logs tend to split with considerable force and noise in the initial stages of sawing. To prevent this a chain is usually wrapped around the sawed section of the log.
Gluing
| Fairly Easy to Very Easy |
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| Easy to glue |
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| Good gluing properties |
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| Difficult to glue |
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Mortising
| Fairly Easy to Very Easy |
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| Fair to Good Results |
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Moulding
| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Fairly Difficult to Very Difficult |
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| Fair to Good Results |
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| Difficult moulding qualities |
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The timber is difficult to work in moulding, mortising, boring, and routing operations. End grain material is liable to break out or splinter. Splinters are poisonous
Movement in Service
| Unstable with Poor Stability - Large Movement |
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| Medium |
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Seasoned timber is reported to undergo moderate dimensional changes in response to fluctions in atmospheric conditions.
Nailing
| Fairly Difficult to Very Difficult |
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| Pre-Boring Recommended |
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| Possible if prebored |
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| Pre-boring recommended |
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| Nails hold poorly |
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| Difficult to nail |
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Planing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Fairly Difficult to Very Difficult |
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| Very Good to Excellent Results |
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| Ease of planing is moderate |
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| Easy to plane |
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| Special attention required |
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| Planes well, to a good finish |
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A reduced cutting angle of 20 degrees is recommended for planing because of interlocked grain and high density.
Resistance to Impregnation
| Resistant heartwood |
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| Permeable sapwood |
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| Resistant sapwood |
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| Heartwood is extremely resistant |
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| Poor response to preservative treatment |
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Response to Hand Tools
| Fairly Difficult to Difficult to Work |
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| Easy to Work |
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| Difficult to machine |
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| Moderate working qualities |
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| Easy to machine |
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Sanding
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Screwing
Turning
| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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| Easy to turn |
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| Very good |
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| Difficult to turn |
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The wood is not recommended for turnery work.
Veneering Qualities
| Suitable for peeling |
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| Veneers easily |
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| Suitable for slicing |
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| Veneers moderately easy |
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| No drying degrade |
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| No drying degrade. Dries flat without splitting |
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| Easy to cut |
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| Suitable for slicing |
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| Difficult to glue |
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Steam Bending
| Fair to Good Results |
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| Moderate |
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| Good |
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| Moderate |
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Greenheart has moderate steam bending properties but it is not recommended for that application.
Polishing
| Fair to Good Results |
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| Very Good to Excellent Results |
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| Satisfactory results |
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The timber polishes to a lustrous finish.
Staining
| Very Good to Excellent Results |
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| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Staining is seldom required
Varnishing
| Fair to Good Results |
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| Very Good to Excellent Results |
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| Fairly Easy to Very Easy |
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Strength Properties
| Max. crushing strength = very high |
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| Bending strength (MOR) = very high |
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| Modulus of Elasticity (stiffness) = very high |
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| Density (dry weight) = 61-67 lbs/cu. ft |
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| Hardness (side grain) = hard |
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| Shrinkage, Radial = large |
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| Shrinkage, Tangential = fairly large |
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| Shrinkage, Tangential = large |
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| Bending strength (MOR) = high |
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| Shrinkage, Tangential = moderate |
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| Shearing strength (parallel to grain) = medium |
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| Shearing strength (parallel to grain) = high |
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| Hardness (side grain) = very hard |
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| Shrinkage, Radial = moderate |
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| Shrinkage, Radial = fairly large |
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| Shrinkage, Volumetric = large |
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| Shearing strength (parallel to grain) = low |
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| Toughness-Hammer drop (Impact Strength) = high |
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| Modulus of Elasticity (stiffness) = high |
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| Density (dry weight) = 67-75 lbs/cu.ft |
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| Shrinkage, Tangential = small |
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| Max. crushing strength = high |
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| Very heavy |
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| Very hard |
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| Toughness-Hammer drop (Impact Strength) = very high |
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| Toughness-Hammer drop (Impact Strength) = medium |
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| Shrinkage, Tangential = very small |
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| Shrinkage, Radial = small |
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| Shearing strength (parallel to grain) = very high |
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| Density (dry weight) = >75 lbs/cu. ft |
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| Density (dry weight) = 53-60 lbs/cu. ft |
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| Crushing strength = high |
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| Bending strength (MOR) = medium |
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Greenheart is two times harder than Oak, two times stronger in bending, compression parallel to grain, and resistance to shock, and more than twice as stiff.
Numerical Data
| Item | Green | Dry | English |
| | | |
| Bending Strength | 19476 | 26150 | psi |
| Density | | 63 | lbs/ft3 |
| Hardness | | 2593 | lbs |
| Impact Strength | 45 | 59 | inches |
| Maximum Crushing Strength | 9990 | 13250 | psi |
| Shearing Strength | | 2353 | psi |
| Stiffness | 2696 | 3241 | 1000 psi |
| Work to Maximum Load | 13 | 22 | inch-lbs/in3 |
| Specific Gravity | 0.75 | 0.95 | |
| Weight | 61 | 50 | lbs/ft3 |
| Radial Shrinkage | 7 | | % |
| Tangential Shrinkage | 9 | | % |
| Volumetric Shrinkage | 15 | | % |
| | | |
| Item | Green | Dry | Metric |
| | | |
| Bending Strength | 1369 | 1838 | kg/cm2 |
| Density | | 1009 | kg/m3 |
| Hardness | | 1176 | kg |
| Impact Strength | 114 | 149 | cm |
| Maximum Crushing Strength | 702 | 931 | kg/cm2 |
| Shearing Strength | | 165 | kg/cm2 |
| Stiffness | 189 | 227 | 1000 kg/cm2 |
| Work to Maximum Load | 0.91 | 1.54 | cm-kg/cm3 |
| Specific Gravity | 0.75 | 0.95 | |
| Weight | 977 | 801 | kg/m3 |
| Radial Shrinkage | 7 | | % |
| Tangential Shrinkage | 9 | | % |
References
Amos, G.L.,1951,Some siliceous timbers of British Guiana,Caribbean Forester (3; 4) 133-7, 139-40.
Banks, C.H., Schoeman, J.P., Otto, K.P.,1977,The Mechanical Properties of Timbers with particular reference to South,Africa,South African Forestry Research Institute Bulletin,(Ed.,Schoeman, J.P. 1973 & Otto K.P. 1976,No.48
Bena, P.,1960,Essences Forestieres de Guyane,Bureau Agricole et Forestier Guyanais Guyana
Berni, C.A., Bolza, E., Christensen, F.J.,1979,South American Timbers - The Characteristics, Properties and Uses of 190,Species,C.S.I.R.O Div. Building Research
Bodig, J. and B. A. Jayne. 1982. Mechanics of Wood and Wood Composites. Van Nostrand Reinhold Company, New York.
Bolza, E.,1976,Timber and Health,Div. Building Res. C.S.I.R.O. Australia
Bond, C.W.,1950,Colonial Timbers,Sir Issac Pitman & Sons Ltd. London
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.
Brown, W.H.,1969,Properties and uses of Tropical hardwoods in the United Kingdom. Part 1,Nonstructural properties and uses.,Conference on Tropical hardwoods SC-5/TN-5, Syracuse University
Brown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet Series
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.
Clifford, N.,1953,Commercial Hardwoods - Their Characteristics Identification and,Utilization,Sir Isaac Pitman & Sons Ltd. London
Constantine, Jr., A. J. 1959. Know Your Woods - A Complete Guide to Trees, Woods, and Veneers. Revised Edition. Revised by H.J. Hobbs. Charles Scribner's Sons, New York.
Cox, H.A.,1939,A Handbook of Empire Timbers,Forest Products Research Laboratory, Princes Risborough
Edmondson, C.H.,1949,Reaction of Woods from S.America and Caribbean areas to Marine Borers in,Hawaiian Waters,Caribbean Foresters,10(1,PP37-41
Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department
Fanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1
Farmer, R.H.,1972,Handbook of Hardwoods,HMSO
Findlay, W.P.K.,1975,Timber: Properties and Uses,Crosby Lockwood Staples London,224PP
Forest Products Research Laboratory, U.K.,1954,Hardwoods for Industrial Flooring,Forest Products Research Laboratory, Princes Risborough, Leaflet, No.48
Forest Products Research Laboratory, U.K.,1969,The Movement of Timbers,Forest Products Research Laboratory, Princes Risborough Technical Note,No.38
Forests Products Research Laboratory, U.K.,1956,A Handbook of Hardwoods,Forest Products Research Laboratory, Princes Risborough, Department of,Science and Industrial Research, Building Research Establishment
Guna et al, S.R.D.,1945,Notes on British Guiana Timbers,The 'Daily Chronicle' Ltd. Printers,28PP
Guyana Forestry Department,1951,British Guiana Timbers - Determa (Ocotea rubra,British Guiana Forestry Department Leaflet,7,4pp
Guyana Forestry Department,1951,British Guiana Timbers - Greenheart (Ocotea rodiaei,British Guiana Forestry Department Leaflet No.2
Harrar, E.S.,1942,Some Physical Properties of Modern Cabinet Woods 3. Directional and Volume,Shrinkage,Tropical Woods,9(71, pp26-32
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.
Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.
I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer Cutting
Kline, M. 1980. Ocotea rodiaei - Greenheart. In A Guide to Useful Woods of the World. Flynn Jr., J.H., Editor. King Philip Publishing Co., Portland, Maine. 1994. Page 250-251.
Kukachka, B.F.,1970,Properties of Imported Tropical Woods,Forest Research Paper FPL 125
Kynoch, W., Norton, N.A.,1938,Mechanical Properties of certain tropical woods chiefly from S. America,School of Forestry and Conservation, University of Michigan Bulletin,No.7
Lavers, G. M. 1966. The Strength Properties of Timbers. Forest Products Research Bulletin, No. 50. Ministry of Technology, Her Majesty's Stationery Office, London.
Lavers, G.M.,1983,The Strength Properties of Timber (3rd ed. revised Moore G.L.,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Report (formerly Bulletin No.50)
Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc., Fresno, California.
Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207
Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical Press
Polak, A.M.,1992,Major Timber Trees of Guyana A Field Guide,The Tropenbos Foundation Wageningen, The Netherlands
Record, S.J., Hess, R.W.,1942,American Timbers of the Family Lauraceae,Tropical Woods,69,pp7-33
Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University Press
Record, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. Press
Rendle, B.J.,1969,World Timbers (3 Vols.,Ernest Benn Ltd. London
Rizzini, C.T.,1978,Arvores e Madeiras Uteis do Brasil: Manual de Dendrologia Brasileira,Editora Edgard Blucher LTDA Brazil
Sallenave, P.,1971,Proprietes Physiques et Mecaniques des Bois Tropicaux (Deuxieme,Supplement,C.T.F.T.
Slooten van der, H.J., Martinez, E.P.,1959,Descripcion y propiedades de algunas madeiras Venezolanas,Inst. for Lation Americano de Investigacion y Capaciticion Boletin,Informaturo Dirulgaturo
Slooten, H.J. van der,1970,Evaluation Study of eighteen Wood Species from Guyana for Veneer and,Plywood Manufacture,Forest Industries Development Survey FAO Report SF/GUY9 Tech. Report,No.13,U.N.D.P.
T.R.A.D.A.,1982,Timbers for river and sea constructions,TRADA Wood Information Section 0, Sheet 6
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
Timber Development Association Ltd.,1955,World Timbers (3 Vols.,Timber Development Association Ltd.
Titmuss, F.H.,1965,Commercial Timbers of the World,Technical Press Ltd., London, 3rd edition
U.S.D.A. Forest Service,1974,Wood Handbook,U.S.A. Department of Agriculture, Forest Service Handbook,72
Woods, R.P.,1949,Timbers of South America,TRADA, Red Booklet Series
Wood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13
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