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
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Schedules
Natural Durability
Numerical Data
Planing
References
Regions of Distribution
Response to Hand Tools
Scientific Name
Silica Content
Strength Properties
Texture
Trade Name
Tree Size
| |
Common Names
Castanna sapucaia, Jacapucaio, Paradise nut, Quatele, Sapucaia
Regions of Distribution
Central America, Latin America
Countries of Distribution
[VIEW MAP]
Brazil, Nicaragua
Common Uses
Agricultural implements, Boat building: framing, Bridge construction, Heavy construction, Joinery, Marine construction, Piling, Railroad ties, Sporting Goods, Tool handles, Wharf construction
Heartwood Color
| Brown |
|
|
|
|
|
|
|
|
|
|
|
|
| Yellow |
|
|
|
|
|
|
|
|
|
|
|
|
| Orange |
|
|
|
|
|
|
|
|
|
|
|
|
| Black |
|
|
|
|
|
|
|
|
|
|
|
|
Grain
Texture
Natural Durability
| Perishable |
|
|
|
|
|
|
|
|
|
|
|
|
| Moderately durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Non-durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Resistant to marine borers |
|
|
|
|
|
|
|
|
|
|
|
|
| Resistant to termites |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Resistant to attack from marine borers |
|
|
|
|
|
|
|
|
|
|
|
|
| Moderately resistant to marine borer attack |
|
|
|
|
|
|
|
|
|
|
|
|
Silica Content
Kiln Schedules
Drying Defects
| Checking |
|
|
|
|
|
|
|
|
|
|
|
|
| Distortion |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Slight twist/warp |
|
|
|
|
|
|
|
|
|
|
|
|
| Slight surface checking |
|
|
|
|
|
|
|
|
|
|
|
|
| Slight spring/bow |
|
|
|
|
|
|
|
|
|
|
|
|
| Slight end splitting |
|
|
|
|
|
|
|
|
|
|
|
|
| No surface checking |
|
|
|
|
|
|
|
|
|
|
|
|
| No end splitting |
|
|
|
|
|
|
|
|
|
|
|
|
| No cupping, generally |
|
|
|
|
|
|
|
|
|
|
|
|
| No twisting or warping |
|
|
|
|
|
|
|
|
|
|
|
|
Ease of Drying
| Fairly Easy |
|
|
|
|
|
|
|
|
|
|
|
|
| Moderately Difficult to Difficult |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Easy |
|
|
|
|
|
|
|
|
|
|
|
|
Tree Size
| Tree height is 30-40 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Tree height is 20-30 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Bole length is 20-30 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Bole length is 10-20 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Tree height is 40-50 m |
|
|
|
|
|
|
|
|
|
|
|
|
Blunting Effect
| High to severe |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Blunting effect on machining is slight |
|
|
|
|
|
|
|
|
|
|
|
|
Boring
Cutting Resistance
| Cutting Resistance with green wood is moderate |
|
|
|
|
|
|
|
|
|
|
|
|
| Cutting Resistance with dry wood is moderate |
|
|
|
|
|
|
|
|
|
|
|
|
Planing
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Planes well, to a good finish |
|
|
|
|
|
|
|
|
|
|
|
|
| Ease of planing is moderate |
|
|
|
|
|
|
|
|
|
|
|
|
Response to Hand Tools
| Fairly Difficult to Difficult to Work |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Moderate working qualities |
|
|
|
|
|
|
|
|
|
|
|
|
| Difficult to machine |
|
|
|
|
|
|
|
|
|
|
|
|
Strength Properties
| Shearing strength (parallel to grain) = high |
|
|
|
|
|
|
|
|
|
|
|
|
| Hardness (side grain) = very hard |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Tangential = moderate |
|
|
|
|
|
|
|
|
|
|
|
|
| Shrinkage, Radial = fairly large |
|
|
|
|
|
|
|
|
|
|
|
|
| Modulus of Elasticity (stiffness) = very high |
|
|
|
|
|
|
|
|
|
|
|
|
| Modulus of Elasticity (stiffness) = high |
|
|
|
|
|
|
|
|
|
|
|
|
| Max. crushing strength = high |
|
|
|
|
|
|
|
|
|
|
|
|
| Max. crucshing strength = very high |
|
|
|
|
|
|
|
|
|
|
|
|
| Bending strength (MOR) = very high |
|
|
|
|
|
|
|
|
|
|
|
|
| Bending strength (MOR) = high |
|
|
|
|
|
|
|
|
|
|
|
|
Numerical Data
| Item | Green | Dry | English |
| | | |
| Bending Strength | 17241 | 25113 | psi |
| Hardness | | 2940 | lbs |
| Maximum Crushing Strength | 8467 | 11767 | psi |
| Shearing Strength | | 2847 | psi |
| Stiffness | 2373 | 2752 | 1000 psi |
| Radial Shrinkage | 5 | | % |
| Tangential Shrinkage | 7 | | % |
| | | |
| Item | Green | Dry | Metric |
| | | |
| Bending Strength | 1212 | 1765 | kg/cm2 |
| Hardness | | 1333 | kg |
| Maximum Crushing Strength | 595 | 827 | kg/cm2 |
| Shearing Strength | | 200 | kg/cm2 |
| Stiffness | 166 | 193 | 1000 kg/cm2 |
| Radial Shrinkage | 5 | | % |
References
Almeida, D.G. de, Costa, J.R. da,1956,Madeiras do Brasil. (Timbers of Brazil.,Min. Ag. Servico de Economia Rural, Rio de Janeiro, Brazil,pp56
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
Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207
Volkart, C.,1965,Recopilacion dedatos sobre propiedacies y usos maderos del Bosque Tropical,de las Costa Atlantica de Nicaragua,Turrialba,15(1, pp43-57
Wangaard, F.F., et al,1954,Properties and Uses of Tropical Woods 4,Tropical Woods,14(99, pp1-187
|
|