Kondroti (Bombax brevicuspe)
Family: Bombacaceae
Common names: Akagaouan, Alone, Kingue, Kondroti, Meguza, Mfume, Mungura, Munguza, Ogumalonga
Distributed in: Cameroon, Congo, Gabon, Ivory Coast, Liberia, Mozambique, Sierra Leone, Tanzania (Africa)
Distribution overview: Tropical west Africa, but sometimes in secondary savannah forests.
Common uses: Blockboard, Boxes and crates, Core Stock, Furniture components, Joinery, Moldings, Plywood
Environment profile: Status has not been officially assessed
Tree size: Trunk diameter is 150-200 cm
Colors: the heart isRed, Yellowand the sapwoodWhitish, Yellow.The grain isStraight, the textureMediumand the lusterNon-lustrous and very dull
Natural durability: Perishable, Suceptible to attack by fungi and other wood destroying insects
Odor: No specific smell or taste
Kiln Schedules: UK=E (4/4)
Drying Defects: Severe fungal staining, Severe splitting
Ease of Drying: Slowly
Comments: Generally stiff, moderate crushing strength, resistant to shock
Blunting Effect: Little
Boring: Fairly easy to very easy
Carving: Fairly Easy to Very Easy
Cutting Resistance: Easy to saw
Gluing: Very Good to Excellent Results
Mortising: Fairly Easy to Very Easy
Moulding: Fairly Easy to Very Easy
Movement in Service: Fairly Easy to Very Easy
Nailing: Holds nails well, Very Good to Excellent
Planing: good
Resistance to Impregnation: Wood is permeable
Response to hand tools: Moderate blunting effect on cutting edges
Routing recessing: Fairly Easy to Very Easy
Sanding: Fairly Easy to Very Easy
Veneering qualities: Rotary cutting qualities are good at room temperature
Steam bending: Moderate
Screwing: Good screwing properties, Very Good to Excellent Results; Turning: Fairly Easy to Very Easy
Painting: Fair to Good; Polishing: Very Good to Excellent; Staining: Stains well; Varnishing: Fairly Easy to Very Easy;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
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0,35 |
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Density |
|
464 |
kg/m3 |
Bending Strength |
296 |
467 |
kg/cm2 |
Crushing Strength |
163 |
307 |
kg/cm2 |
Hardness |
|
177 |
kg |
Impact Strength |
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cm |
Shearing Strength |
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kg/cm2 |
Stiffness |
50 |
60 |
1000 kg/cm2 |
Tangential Shrinkage |
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% |
Radial Shrinkage |
5 |
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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 | 4224 | 6654 | psi | Density | | 29 | lbs/ft3 | Hardness | | 392 | lbs | Maximum Crushing Strength | 2332 | 4371 | psi | Stiffness | 715 | 862 | 1000 psi | Specific Gravity | | 0.35 | | Radial Shrinkage | 5 | | % | Tangential Shrinkage | 8 | | % | |
Vulnerable to denting and marring Max. crushing strength = low Hardness = low Density = medium Compression strength (parallel to grain) = low Bending strength (MOR) = low
ITTO. 1986. Tropical Timber Atlas, Volume 1 - Africa. Prepared for International Tropical Timber Organization (ITTO) by Centre Technique Forestier Tropical (CTFT, Division of CIRAD, 45bis, Avenue de la Belle Gabrielle, Nogent-sur-Marne Cedex, France.Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Keay, R.W.J.1989. Trees of Nigeria.Revised Version of Nigerian Trees. Clarendon Press, Oxford.Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc. Fresno, California.
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