Clicking
any heading in the main data area (at right) will scroll the page back
to this top position.
Use the following links to
jump to the associated section in the main data.
Blunting Effect
Boring
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Drying Rate
Luster
Moulding
Movement in Service
Nailing
Natural Durability
Numerical Data
Planing
Polishing
References
Regions of Distribution
Response to Hand Tools
Sanding
Sapwood Color
Scientific Name
Screwing
Silica Content
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Tree Size
Turning
| |
Synonyms
Chytroma amara, Eschweilera corrugata, Lecythis amara
Common Names
Black kakaralli, Guacharacorojo, Inegosso, Jatereua, Jouatii, Kakaralli, Lebi loabi, Mahot rouge, Manbarklak, Mata-mata-vermelho, Oemanbarklak, Sapucaia amargosa, Wina kakaralli, Wini kakaralli
Regions of Distribution
Latin America
Countries of Distribution
[VIEW MAP]
Ecuador, French Guiana, Guyana, Suriname, Venezuela
Common Uses
Fuelwood, Light construction, Piling, Poles, Railroad ties, Sporting Goods, Structural work, Tool handles, Wharf construction
Heartwood Color
| Purple |
|
|
|
|
|
|
|
|
|
|
|
|
| Red |
|
|
|
|
|
|
|
|
|
|
|
|
| Brown |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Reddish brown |
|
|
|
|
|
|
|
|
|
|
|
|
| Red |
|
|
|
|
|
|
|
|
|
|
|
|
| Pale red to pink |
|
|
|
|
|
|
|
|
|
|
|
|
| Greenish to greyish |
|
|
|
|
|
|
|
|
|
|
|
|
| Brown |
|
|
|
|
|
|
|
|
|
|
|
|
Sapwood Color
| White to yellow |
|
|
|
|
|
|
|
|
|
|
|
|
| Well defined |
|
|
|
|
|
|
|
|
|
|
|
|
| Paler than heartwood |
|
|
|
|
|
|
|
|
|
|
|
|
Grain
Texture
| Medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Coarse |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Fine |
|
|
|
|
|
|
|
|
|
|
|
|
| Fine to medium |
|
|
|
|
|
|
|
|
|
|
|
|
Luster
| Slightly lustrous |
|
|
|
|
|
|
|
|
|
|
|
|
| Lustrous |
|
|
|
|
|
|
|
|
|
|
|
|
Natural Durability
| Durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Moderately durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Non-resistant to termites |
|
|
|
|
|
|
|
|
|
|
|
|
| Susceptible to insect attack |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Susceptible to attack from termites (Isoptera) |
|
|
|
|
|
|
|
|
|
|
|
|
| Susceptible to marine borer attack |
|
|
|
|
|
|
|
|
|
|
|
|
| Resistant to attack from powder post (Lyctid & Bostrychid) beetles |
|
|
|
|
|
|
|
|
|
|
|
|
| Resistant to attack from marine borers |
|
|
|
|
|
|
|
|
|
|
|
|
| Moderately durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Durable |
|
|
|
|
|
|
|
|
|
|
|
|
Silica Content
Ease of Drying
| Slowly |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Moderate |
|
|
|
|
|
|
|
|
|
|
|
|
| Difficult |
|
|
|
|
|
|
|
|
|
|
|
|
Kiln Drying Rate
Tree Identification
| Bole/stem form is not buttressed |
|
|
|
|
|
|
|
|
|
|
|
|
| Bole/stem form is straight |
|
|
|
|
|
|
|
|
|
|
|
|
| Bole/stem form is cylindrical |
|
|
|
|
|
|
|
|
|
|
|
|
Tree Size
| Bole length is 10-20 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Bole length is 20-30 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Tree height is 50-60 m |
|
|
|
|
|
|
|
|
|
|
|
|
Comments
General finishing qualities are rated as good
Blunting Effect
| Little |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Blunting effect on machining is severe |
|
|
|
|
|
|
|
|
|
|
|
|
Boring
Cutting Resistance
| Cutting Resistance with dry wood is difficult |
|
|
|
|
|
|
|
|
|
|
|
|
Moulding
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
Movement in Service
Nailing
Planing
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
Response to Hand Tools
Sanding
Screwing
Turning
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
Polishing
Strength Properties
| Shrinkage, Tangential = large |
|
|
|
|
|
|
|
|
|
|
|
|
| Max. crushing strength = high |
|
|
|
|
|
|
|
|
|
|
|
|
| Bending strength (MOR) = very high |
|
|
|
|
|
|
|
|
|
|
|
|
| Bending strength (MOR) = high |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Tangential = moderate |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Tangential = fairly large |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Radial = very small |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Radial = moderate |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Radial = fairly large |
|
|
|
|
|
|
|
|
|
|
|
|
| Shearing strength (parallel to grain) = low |
|
|
|
|
|
|
|
|
|
|
|
|
| Modulus of Elasticity (stiffness) = medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Modulus of Elasticity (stiffness) = high |
|
|
|
|
|
|
|
|
|
|
|
|
| Hardness (side grain) = medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Density (dry weight) = over 75 lbs/cu. ft |
|
|
|
|
|
|
|
|
|
|
|
|
| Density (dry weight) = 53-60 lbs/cu. ft |
|
|
|
|
|
|
|
|
|
|
|
|
| Bending strength (MOR) = medium |
|
|
|
|
|
|
|
|
|
|
|
|
Numerical Data
| Item | Green | Dry | English |
| | | |
| Bending Strength | 15656 | 23004 | psi |
| Density | | 67 | lbs/ft3 |
| Hardness | | 1658 | lbs |
| Maximum Crushing Strength | 6899 | 9945 | psi |
| Shearing Strength | | 1560 | psi |
| Stiffness | 1916 | 2208 | 1000 psi |
| Weight | 66 | 51 | lbs/ft3 |
| Radial Shrinkage | 3 | | % |
| Tangential Shrinkage | 9 | | % |
| | | |
| Item | Green | Dry | Metric |
| | | |
| Bending Strength | 1100 | 1617 | kg/cm2 |
| Density | | 1073 | kg/m3 |
| Hardness | | 752 | kg |
| Maximum Crushing Strength | 485 | 699 | kg/cm2 |
| Shearing Strength | | 109 | kg/cm2 |
| Stiffness | 134 | 155 | 1000 kg/cm2 |
| Weight | 1057 | 817 | kg/m3 |
| Radial Shrinkage | 3 | | % |
References
Amos, G.L.,1951,Some siliceous timbers of British Guiana,Caribbean Forester (3; 4) 133-7, 139-40.
Bena, P.,1960,Essences Forestieres de Guyane,Bureau Agricole et Forestier Guyanais Guyana
Brazil -, I.B.D.F.,1980,Woods from Tucurui - characteristics and application,The Ag. Ministry Brazilian Institute for Forest Development
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
Record, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. Press
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
Vink, A.T.,1965,Surinam Timbers,Surinam Forest Service Paramaribo,3rd rev. ed.
|
|
Search
the web for anything relating to wood and forest products.
|
|
Search
the web for anything relating to wood and forest products.
|
|
