Aromata (Clathrotropis macrocarpa)
Family: Leguminosae
Common names: Aromata, Berraco, Blackheart, Cabari, Cabary, Cabory, Mayaro poui, Timbo pau, Timbo rana
Distributed in: Brazil, Colombia, Guyana (Latin America)
Common uses: Boat building (general), Bridge construction, Flooring, Furniture, Heavy construction, Piling, Railroad ties
Tree size: Tree height is 30-40 m
Colors: the heart isPurple, Redand the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureMediumand the lusterMedium
Natural durability: Susceptible to insect attack, Susceptible to marine borer attack
Silica Content: Slight
Drying Defects: Distortion, Splitting
Ease of Drying: Fairly Easy
Tree Identification: Bole/stem form is not buttressed
Comments: General finishing qualities are rated as good
Cutting Resistance: Easy to saw
Gluing: Fairly Easy to Very Easy
Moulding: Very Good to Excellent
Movement in Service: Very Good to Excellent
Nailing: Fairly Easy to Very Easy, Very Good to Excellent
Planing: Very Good to Excellent
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Moderate working qualities
Veneering qualities: Veneers easily, Veneers moderately easy
Screwing: Fair to Good Results
; Turning: Fairly Difficult to Very Difficult
Polishing: Very Good to Excellent; Staining: Fair to Good; Varnishing: Very Good to Excellent;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
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Density |
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945 |
kg/m3 |
Bending Strength |
1026 |
1518 |
kg/cm2 |
Crushing Strength |
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kg/cm2 |
Hardness |
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kg |
Impact Strength |
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cm |
Shearing Strength |
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kg/cm2 |
Stiffness |
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1000 kg/cm2 |
Tangential Shrinkage |
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% |
Radial Shrinkage |
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% |
Weight |
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kg/m3 |
Maximum Load |
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cm-kg/cm3 |
Toughness |
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cm-kg |
Static Bending |
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kg/cm2 |
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| | | | Item | Green | Dry | English | Bending Strength | 14597 | 21597 | psi | Density | | 59 | lbs/ft3 | Weight | 58 | 53 | lbs/ft3 | |
Density (dry weight) = >75 lbs/cu. ft. Density (dry weight) = 67-75 lbs/cu. ft. Density (dry weight) = 61-67 lbs/cu. ft. Density (dry weight) = 53-60 lbs/cu. ft. Bending strength (MOR) = very high Bending strength (MOR) = medium Bending strength (MOR) = high
Brown, W.H.,1978,Timbers of the World, No. 9 Central America and the Caribbean,TRADA, Red Booklet SeriesErfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry DepartmentFanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University Press
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