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Boring
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Kiln Schedules
Luster
Mortising
Moulding
Movement in Service
Nailing
Natural Durability
Numerical Data
Odor
Painting
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sanding
Sapwood Color
Scientific Name
Screwing
Steam Bending
Strength Properties
Texture
Trade Name
Tree Identification
Tree Size
Veneering Qualities
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Common Names
Purguillo blanco, Tabebuia blanco, White tabebuia, Wild calabash
Regions of Distribution
Latin America, Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
French Guiana, Guyana, Trinidad and Tobago, Venezuela
Common Uses
Agricultural implements, Boat building (general), Boat building: decking, Boat building: framing, Boxes and crates, Flooring, Furniture, Joinery, Paneling, Sporting Goods, Veneer: decorative
Environmental Profile
Heartwood Color
| Brown |
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| Yellow |
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| Red |
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| Orange |
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| Black |
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| Purple |
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| Yellow to golden-yellow to orange |
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| White to cream |
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| Pale brown |
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| Brown |
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Sapwood Color
| Yellow |
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| White |
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| Paler than heartwood |
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Grain
Texture
| Coarse |
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| Fine |
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| Resinous and oily |
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| Medium |
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| Medium |
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Luster
Natural Durability
| Durable |
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| Very durable |
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| Resistant to termites |
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| Moderately durable |
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| Moderately durable |
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| Susceptible to attack from termites (Isoptera) |
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| Resistant to attack from powder post (Lyctid & Bostrychid) beetles |
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Odor
Kiln Schedules
Drying Defects
| Checking |
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| Splitting |
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| Uneven Moisture Content |
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| Discoloration |
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| No twisting or warping |
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| No end splitting |
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Ease of Drying
| Moderately Difficult to Difficult |
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| Fairly Easy |
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| Thick Stock Requires Care |
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| Slowly |
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Kiln Drying Rate
| Naturally dries at a moderate speed |
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Tree Identification
| Bole/stem form is buttressed |
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| Bole/stem form is fluted |
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Tree Size
| Tree height is 30-40 m |
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| Trunk diameter is 100-150 cm |
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| Trunk diameter is 150-200 cm |
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| Tree height is 40-50 m |
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| Trunk diameter is 200-250 cm |
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| Tree height is 20-30 m |
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| Sapwood width is 0-5 cm |
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| Tree height is 50-60 m |
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| Trunk diameter is 250-300 cm |
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| Trunk diameter is 300-350 cm |
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Comments
General finishing qualities are rated as good
Boring
Cutting Resistance
| Cutting Resistance with green wood is easy |
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| Cutting Resistance with dry wood is easy |
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Gluing
Mortising
| Fairly Difficult to Very Difficult |
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| Fairly Easy to Very Easy |
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| Easy to mortise |
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Moulding
| Fairly Difficult to Very Difficult |
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| Fairly Easy to Very Easy |
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| Easy to mould |
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Movement in Service
| Excellent Stability - Small Movement |
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Nailing
| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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Planing
| Fairly Difficult to Very Difficult |
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| Fairly Easy to Very Easy |
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| Easy to plane |
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Resistance to Impregnation
| Resistant heartwood |
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| Resistant sapwood |
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Response to Hand Tools
| Easy to Work |
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| Fairly Difficult to Difficult to Work |
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| Easy to machine |
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Sanding
Screwing
| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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Veneering Qualities
| Veneers moderately easy |
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| Difficult to veneer |
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| Veneers easily |
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| Suitable for peeling |
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Steam Bending
Painting
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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Polishing
Strength Properties
| Density (dry weight) = 38-45 lbs/cu. ft. |
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| Bending strength (MOR) = high |
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| Shrinkage, Tangential = moderate |
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| Shrinkage, Radial = moderate |
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| Modulus of Elasticity (stiffness) = medium |
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| Max. crushing strength = high |
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| Bending strength (MOR) = medium |
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Numerical Data
| Item | Green | Dry | English |
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| 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 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 854 | 1323 | kg/cm2 |
| Density | | 641 | kg/m3 |
| Maximum Crushing Strength | 485 | 699 | kg/cm2 |
| Stiffness | 117 | 135 | 1000 kg/cm2 |
| Weight | 624 | 496 | kg/m3 |
| Radial Shrinkage | 4 | | % |
References
Brown, W.H.,1978,Timbers of the World, No. 9 Central America and the Caribbean,TRADA, Red Booklet Series
Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department
Record, S.J., Hess, R.W.,1940,American Woods of the Family Bignoniaceae,Tropical Woods,8(63,pp 9-38
Takahashi, 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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