Amourette (Piratinera guianensis)
Family: Moraceae
Common names: Amourette, Basri letri, Bois d'amourette, Bois de lettres, Bourra courra, Bourracourra, Boutous, Burokoro, Burracura, Cacique carey, Cangica parira, Casique care, Gamelleira preta, Gateado, Gatia, Gespikkeld letterhout, Guaimaro, Kapeweri letri, Koeloero, Leopard wood, Leopardwood, Letri, Letterhout, Letterwood, Lettre de chine, Lettre mouchete, Lignum literatum, Manletri, Marequende, Muirapenima, Palo do oro, Pao tartarugo, Piratiner, Roode letterhout, Satine gris, Satine rouge, Slangenhout, Snakewood, Speckled wood, Tibicusi, Tibikuski, Tibokushi, Tortoiseshell wood
Distributed in: Bolivia, Brazil, French Guiana, Guyana, Suriname, Trinidad and Tobago, Venezuela (Latin America, Oceania and S.E. Asia)
Common uses: Boxes and crates, Cabinetmaking, Fishing rods, Furniture, Handles: general, Joinery, Musical instruments, Musical instruments: percussion, Musical instruments: strings, Plywood, Sporting Goods, Tool handles, Turnery, Veneer: decorative, Walking sticks
Product sources: The ITTO reports that the species has a high potential as a source of valuable timber.
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isWhite, Yellowand the sapwoodWhite to yellow, Yellow.The grain isStriped figure, the textureMediumand the lusterPronounced
Natural durability: Resistant to attack from termites (Isoptera), Very durable
Kiln Drying Rate: Naturally dries quickly
Drying Defects: Moderate collapse and honeycombing, Splitting
Ease of Drying: Variable results.
Tree Identification: Bole/stem form is not buttressed
Comments: General finishing qualities are rated as good
Blunting Effect: Moderate
Boring: Fairly difficult to very difficult
Carving: Fairly Difficult to Very Difficult
Cutting Resistance: Easy to saw
Gluing: Fairly Easy to Very Easy
Mortising: Fairly Easy to Very Easy
Moulding: Fairly Easy to Very Easy
Movement in Service: Fairly Easy to Very Easy
Nailing: Possible if prebored, Very Good to Excellent
Planing: Fairly Easy to Very Easy
Resistance to Impregnation: Permeable sapwood
Response to hand tools: Responds Readily
Veneering qualities: Veneers easily, Veneers moderately easy
Steam bending: Very poor
Screwing: Fair to Good Results, Very Good to Excellent Results; Turning: Very Good to Excellent Results
Polishing: Very Good to Excellent; Staining: Fairly Difficult to Very Difficult;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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| Item |
Green |
Dry |
Metric |
| Specific Gravity |
|
|
|
| Density |
|
1073 |
kg/m3 |
| Bending Strength |
1026 |
1518 |
kg/cm2 |
| Crushing Strength |
|
|
kg/cm2 |
| Hardness |
|
|
kg |
| Impact Strength |
|
|
cm |
| Shearing Strength |
|
|
kg/cm2 |
| Stiffness |
|
|
1000 kg/cm2 |
| Tangential Shrinkage |
|
|
% |
| Radial Shrinkage |
6 |
|
% |
| Weight |
1057 |
913 |
kg/m3 |
| Maximum Load |
|
|
cm-kg/cm3 |
| Toughness |
|
|
cm-kg |
| Static Bending |
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kg/cm2 |
|
 |  |  |  | | Item | Green | Dry | English | | Bending Strength | 14597 | 21597 | psi | | Density | | 67 | lbs/ft3 | | Weight | 66 | 57 | lbs/ft3 | | Radial Shrinkage | 6 | | % | | Tangential Shrinkage | 9 | | % | |
Density (dry weight) = >75 lbs/cu. ft 0 Density (dry weight) = 67-75 lbs/cu.ft 1 Density (dry weight) = 61-67 lbs/cu. ft Shrinkage, Tangential = large Shrinkage, Radial = large Shrinkage, Tangential = fairly large Shrinkage, Radial = fairly large Bending strength (MOR) = very high Bending strength (MOR) = medium Bending strength (MOR) = high
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 ResearchBritton, N.L., Millspaugh, C.F.,1920,The Bahama Flora,Britton & Millspaugh,New YorkBrown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet SeriesChudnoff, 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. LondonEdmondson, C.H.,1949,Reaction of Woods from S.America and Caribbean areas to Marine Borers in,Hawaiian Waters,Caribbean Foresters,10(1,PP37-41Erfurth, 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.1Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207Martin-Lavigne, E.,1909,Recherches sur les Bois de la Guyane,Vigot Freres ParisPatterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical PressRecord, S.J., Hess, R.W.,1940,American Woods of the Family Moraceae,Tropical Woods,8(61,pp11-54Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressRecord, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. PressRendle, B.J.,1969,World Timbers (3 Vols.,Ernest Benn Ltd. LondonTitmuss, F.H.,1965,Commercial Timbers of the World,Technical Press Ltd., London, 3rd editionVink, A.T.,1965,Surinam Timbers,Surinam Forest Service Paramaribo,3rd rev. ed.Wolcott, G.N.,1950,An Index to the Termite Resistance of Woods,Agricultural Experimental Station, University of Puerto Rico Bulletin,No.85Woods, R.P.,1949,Timbers of South America,TRADA, Red Booklet SeriesWood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13
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