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Blunting Effect
Boring
Carving
Certified Source
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
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
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Screwing
Staining
Steam Bending
Texture
Trade Name
Tree Size
Turning
Varnishing
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Common Names
Alone, Bombax, Condrotti, Kondroti, Meguza, Mfume, Munguza, N'demo
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Benin, Cameroon, Congo, Gabon, Gambia, Ghana, Guinea Bissau, Guinea, Ivory Coast, Liberia, Mozambique, Nigeria, Senegal, Sierra Leone, Tanzania, Togo
Common Uses
Blockboard, Boxes and crates, Building materials, Casks, Chairs, Chests, Concealed parts (Furniture), Core Stock, Cutting surfaces, Decorative plywood, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Fine furniture, Floor lamps, Furniture , Furniture components, Furniture squares or stock, Hatracks, Interior construction, Interior trim, Kitchen cabinets, Living-room suites, Millwork, Moldings, Office furniture, Packing cases, Plywood, Radio - stereo - TV cabinets, Rustic furniture, Stools, Tables , Trimming, Utility furniture, Veneer, Wainscotting, Wardrobes
Environmental Profile
| Status has not been officially assessed |
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Distribution Overview
West Africa, extending into Tanzania in Central Africa. Generally found in savannah secondary forests and dense rain forests.
Heartwood Color
| Brown |
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| Red |
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| Black |
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| Purple |
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| Yellowish brown |
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| Pale reddish brown |
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| Light brown |
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| Dark markings and gum veins |
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Sapwood Color
| White |
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| Yellow |
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| Pink |
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| Whitish |
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| Occasionally clearly defined from the heartwood, but not always. |
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Grain
| Generally straight, but not always |
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Texture
| Coarse |
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| Medium |
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| Medium coarse to coarse |
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Luster
Natural Durability
| Susceptible to insect attack |
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| Non-durable |
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| Non-resistant to termites |
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| Moderately durable |
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| Non-resistant to marine borers |
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| Non-resistant to powder post beetles |
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| Perishable |
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| Durable |
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| Very little natural resistance |
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Odor
Kiln Schedules
| UK=E (4/4) |
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| T6 -B3 (4/4) US |
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Drying Defects
| Splitting |
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| Checking |
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| Distortion |
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| Collapse |
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| Internal Honeycombing Possible |
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| Moderate cupping |
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| Moderate collapse and honeycombing |
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Ease of Drying
| Moderately Difficult to Difficult |
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| Slowly |
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| Thick Stock Requires Care |
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| Little degrade |
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| Air-dries rapidly with severe degrade |
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Kiln Drying Rate
| Naturally dries slowly |
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| Slow |
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| Drying rate is slow |
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Tree Size
| Sapwood width is 10-15 cm |
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| Tree height is 20-30 m |
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| Sapwood width is 5-10 cm |
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| Bole length is 0-10 m |
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| Trunk diameter is 100-150 cm |
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| Tree height is 30-40 m |
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| Tree height is 10-20 m |
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| Tree height is 0-10 m |
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| Bole length is 10-20 m |
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Certified Source
Blunting Effect
| Moderate |
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| High to severe |
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| Blunting effect on sawing is mild |
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Boring
| Fairly easy to very easy |
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| Fairly difficult to very difficult |
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| Use very sharp cutting edges to prevent grain from tearing |
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Carving
| Fairly Difficult to Very Difficult |
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| Good if cutting edges are sharp |
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Cutting Resistance
| Fairly Difficult to Very Difficult to saw |
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| Easy to saw |
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| Moderate to saw |
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| Cutting Resistance with dry wood is easy |
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Gluing
| Fairly Easy to Very Easy |
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| Very good properties |
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Mortising
| Fairly Difficult to Very Difficult |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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Moulding
| Poor to Very Poor Results |
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| Fairly Difficult to Very Difficult |
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Movement in Service
| Fair to Good Stability - Medium Movement |
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| Stable |
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| Small |
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Nailing
| Fairly Difficult to Very Difficult |
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| Fairly Easy to Very Easy |
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| Pre-Boring Recommended |
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| Poor to Very Poor Results |
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| Holds nails well |
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| Easy to nail |
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Planing
| Fairly Difficult to Very Difficult |
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| Poor to Very Poor Results |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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| Requires sharp cutting edges |
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| Good planing properties |
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Resistance to Impregnation
| Resistant heartwood |
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| Resistant sapwood |
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| Permeable sapwood |
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| Sapwood is permeable |
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| Heartwood is moderately to extremely resistant |
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Response to Hand Tools
| Fairly Difficult to Difficult to Work |
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| Moderate blunting effect on cutting edges |
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| Easy to machine |
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Routing & Recessing
| Poor to Very Poor Results |
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| Fairly Difficult to Very Difficult |
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Sanding
| Fair to Good Results |
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| Very Good to Excellent Results |
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| Fairly Easy to Very Easy |
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| Good sanding qualities |
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Screwing
| Holds screws well |
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| Good screwing properties |
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Turning
| Fairly Difficult to Very Difficult |
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| 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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| Requires very sharp cutting edges |
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| Good results |
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Steam Bending
| Poor to Very Poor Results |
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| Unsuitable |
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| Moderate |
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Painting
| Little or no surface prep required |
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Polishing
| 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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| Smooth finish |
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Staining
| Fair to Good Results |
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| Stains well |
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Varnishing
| Very Good to Excellent Results |
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| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Good results |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 4224 | 7524 | psi |
| Density | | 33 | lbs/ft3 |
| Hardness | | 392 | lbs |
| Maximum Crushing Strength | 2332 | 4625 | psi |
| Stiffness | 715 | 970 | 1000 psi |
| Specific Gravity | 0.36 | 0.51 | |
| Weight | 50 | 32 | lbs/ft3 |
| Radial Shrinkage | 5 | | % |
| Tangential Shrinkage | 8 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 296 | 529 | kg/cm2 |
| Density | | 528 | kg/m3 |
| Hardness | | 177 | kg |
| Maximum Crushing Strength | 163 | 325 | kg/cm2 |
| Stiffness | 50 | 68 | 1000 kg/cm2 |
| Specific Gravity | 0.36 | 0.51 | |
| Weight | 801 | 512 | kg/m3 |
| Radial Shrinkage | 5 | | % |
References
Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building Research
Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.
ITTO. 1986. Tropical Timber Atlas, Volume 1 - Africa. International Tropical Timber Organization (ITTO) and Centre Technique Forestier Tropical (CTFT, 45bis, Avenue de la Belle Gabrielle, Nogent-sur-Marne Cedex, France.
Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc., Fresno, California.
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