Purguillo blanco (Tabebuia stenocalyx)
Family: Bignoniaceae
Common names: Purguillo blanco, Tabebuia blanco, White tabebuia, Wild calabash
Distributed in: French Guiana, Guyana, Trinidad and Tobago, Venezuela (Latin America, Oceania and S.E. Asia)
Common uses: Agricultural implements, Boat building (general), Boat building: decking, Boat building: framing, Boxes and crates, Flooring, Furniture, Joinery, Paneling, Sporting Goods, Veneer: decorative
Environment profile: Rare
Tree size: Trunk diameter is 300-350 cm
Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite, Yellow.The grain isStraight, the textureResinous and oilyand the lusterLustrous
Natural durability: Susceptible to attack from termites (Isoptera), Very durable
Odor: Has an odor
Kiln Schedules: Dry at a slow speed
Kiln Drying Rate: Naturally dries at a moderate speed
Drying Defects: Splitting, Uneven Moisture Content
Ease of Drying: Thick Stock Requires Care
Tree Identification: Bole/stem form is fluted
Comments: General finishing qualities are rated as good
Boring: Easy
Cutting Resistance: Cutting Resistance with green wood is easy
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: Fairly Easy to Very Easy, Very Good to Excellent
Planing: Fairly Easy to Very Easy
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Fairly Difficult to Difficult to Work
Sanding: Easy to sand
Veneering qualities: Veneers easily, Veneers moderately easy
Steam bending: Fair to Good Results
Screwing: Fairly Easy to Very Easy, Very Good to Excellent Results;
Painting: Very Good to Excellent; Polishing: Good;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
|
|
|
Density |
|
641 |
kg/m3 |
Bending Strength |
854 |
1323 |
kg/cm2 |
Crushing Strength |
485 |
699 |
kg/cm2 |
Hardness |
|
|
kg |
Impact Strength |
|
|
cm |
Shearing Strength |
|
|
kg/cm2 |
Stiffness |
117 |
135 |
1000 kg/cm2 |
Tangential Shrinkage |
|
|
% |
Radial Shrinkage |
4 |
|
% |
Weight |
624 |
496 |
kg/m3 |
Maximum Load |
|
|
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 | 12154 | 18826 | psi | Density | | 40 | lbs/ft3 | Maximum Crushing Strength | 6899 | 9945 | psi | Stiffness | 1665 | 1923 | 1000 psi | Weight | 39 | 31 | lbs/ft3 | Radial Shrinkage | 4 | | % | Tangential Shrinkage | 7 | | % | |
Density (dry weight) = 38-45 lbs/cu. ft. Bending strength (MOR) = high Shrinkage, Tangential = moderate Shrinkage, Radial = moderate Modulus of Elasticity (stiffness) = medium Max. crushing strength = high Bending strength (MOR) = medium
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 DepartmentRecord, S.J., Hess, R.W.,1940,American Woods of the Family Bignoniaceae,Tropical Woods,8(63,pp 9-38Takahashi, 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
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