Caucho (Sapium jermanni)
Family: Euphorbiaceae
Common names: Caucho, Curupi, Lechero
Distributed in: Columbia, Cuba, Dominican Republic, Haiti, Jamaica, Mexico, Venezuela (Central America)
Distribution overview: The genus Sapium consists of about 100 species of trees and shrubs, and is pan-tropical in distribution. It is very well represented throughout tropical America, from Mexico and the West Indies to Uruguay and Argentina.
Common uses: Boxes and crates, Building materials, Casks, Core Stock, Decorative plywood, Decorative veneer, Fiberboard, Figured veneer, Furniture , General carpentry, Interior construction, Interior trim, Millwork, Packing cases, Particleboard, Plain veneer, Plywood, Rustic furniture, Structural plywood, Tables , Utility furniture, Utility plywood, Veneer
Environment profile: Status has not been officially assessed
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isWhitish, yellowish, or light brown , Yellowand the sapwoodWhite, Yellow.The grain isStraight, the textureMediumand the lusterMedium
Natural durability: Prone to blue stain, Susceptible to insect attack
Odor: No distinct odor or taste
Kiln Drying Rate: Naturally dries quickly
Drying Defects: Internal Honeycombing Possible, Slight warping and checking during air-season
Ease of Drying: Rapidly
Blunting Effect: Little
Boring: May occasionally be fuzzy
Carving: Good results
Cutting Resistance: Saws without difficulty
Gluing: Fairly Easy to Very Easy
Mortising: Very Good to Excellent
Moulding: Very Good to Excellent
Movement in Service: Very Good to Excellent
Nailing: Poor to Very Poor , Very Good to Excellent
Planing: Very Good to Excellent
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Responds well to hand tools
Routing recessing: Very Good to Excellent Results
Sanding: Very Good to Excellent Results
Veneering qualities: Veneers easily, Veneers moderately easy
Screwing: Fairly Easy to Very Easy, Poor to Very Poor Results; Turning: Yields fairly smooth surfaces
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
0,46 |
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|
Density |
|
560 |
kg/m3 |
Bending Strength |
530 |
785 |
kg/cm2 |
Crushing Strength |
220 |
421 |
kg/cm2 |
Hardness |
|
311 |
kg |
Impact Strength |
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cm |
Shearing Strength |
|
|
kg/cm2 |
Stiffness |
101 |
115 |
1000 kg/cm2 |
Tangential Shrinkage |
6 |
|
% |
Radial Shrinkage |
3 |
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% |
Weight |
544 |
448 |
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
94 |
cm-kg |
Static Bending |
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kg/cm2 |
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| | | | Item | Green | Dry | English | Bending Strength | 7546 | 11167 | psi | Density | | 35 | lbs/ft3 | Hardness | | 686 | lbs | Maximum Crushing Strength | 3136 | 5998 | psi | Stiffness | 1450 | 1646 | 1000 psi | Toughness | | 82 | inch-lbs | Specific Gravity | 0.46 | | | Weight | 34 | 28. | lbs/ft3 | Radial Shrinkage | 3 | | % | Tangential Shrinkage | 6 | | % | Volumetric Shrinkage | 9 | | % | |
Surfaces may dent easily Soft Mars easilt Heavy Does not wear well Density=High Compression strength (parallel to grain) = medium Bending strength in the air-dry condition (about 12%moisture content)is high-comparable to Teak
Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Record, S.J. and R.W. Hess. 1943. Timbers of the New World. Published on the Charles Lathrop Pack Foundation, Yale University Press, New Haven CT.
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