Mafu (Fagaropsis angolensis)
Family: Rutaceae
Common names: Carumo, Chepkweret, Dero, Kabegwi, Mafu, Mfu, Mkunguni, Mouke, Mtongoti, Mukarakati, Mumara, Murumu, Muua, Muyinja, Muyinya, Nkunguni, Noiuet, Schapindi, Shigulotso, Siguilou
Distributed in: Angola, Ethiopia, Kenya, Malawi, Tanzania, Uganda, Zaire, Zimbabwe (Africa)
Distribution overview: East Africa (Tanzania, Kenya), found in rain and subtropical forests to elevations of about 6,000 ft.
Common uses: Bedroom suites, Boxes and crates, Building materials, Cabinetmaking, Carvings, Chairs, Chests, Concealed parts (Furniture), Decorative veneer, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Excelsior, Figured veneer, Fine furniture, Floor lamps, Flooring, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Inlay work, Interior construction, Joinery, Kitchen cabinets, Light construction, Living-room suites, Matches, Millwork, Moldings, Musical instruments, Office furniture, Ornamental work , Paneling , Paneling, Plywood, Pulp/Paper products, Radio - stereo - TV cabinets, Rustic furniture, Sporting Goods, Stools, Tables , Turnery, Utility furniture, Vehicle parts, Veneer, Veneer: decorative, Wainscotting, Wardrobes
Environment profile: Vulnerable in parts of its natural habitat
Colors: the heart isRed, Yellow to golden-yellow to orangeand the sapwoodWhite, White to yellow.The grain isWeak figure, the textureMediumand the lusterLustrous
Natural durability: Susceptible to marine borer attack, Very durable
Odor: Taste described as bitter
LightInduced Color Change: Darker
Kiln Schedules: UK=E US=T6D2/T3D1 Fr=5
Kiln Drying Rate: Rapid (<10 days for boards < 32 mm, to <30 days for boards >= 63 mm)
Drying Defects: Severe end splitting, Slight end splitting
Ease of Drying: Radial and tangential shrinkage from 1-2%
Tree Identification: Bole/stem form is straight
Blunting Effect: Blunting effect on machining is slight
Boring: Poor to very poor results
Carving: Poor to Very Poor Results
Cutting Resistance: Possible splitting during initial stages of sawing
Gluing: Easy to glue
Mortising: Poor to Very Poor
Moulding: Poor to Very Poor
Movement in Service: Poor to Very Poor
Nailing: Holds nails well, Pre-boring recommended
Planing: Poor to Very Poor
Resistance to Impregnation: Sapwood is permeable
Response to hand tools: Easy to machine
Routing recessing: Routing yields good results
Sanding: Yields smooth surfaces
Screwing: Difficult to screw, Good screw holding properties; Turning: Yields clean surfaces
Polishing: Satisfactory; Staining: Finish is generally satisfactory; Varnishing: Good;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
 |
 |
 |
 |
Item |
Green |
Dry |
Metric |
Specific Gravity |
0,52 |
|
|
Density |
|
657 |
kg/m3 |
Bending Strength |
666 |
1007 |
kg/cm2 |
Crushing Strength |
443 |
633 |
kg/cm2 |
Hardness |
|
694 |
kg |
Impact Strength |
55 |
88 |
cm |
Shearing Strength |
|
155 |
kg/cm2 |
Stiffness |
110 |
134 |
1000 kg/cm2 |
Tangential Shrinkage |
6 |
|
% |
Radial Shrinkage |
3 |
|
% |
Weight |
608 |
480 |
kg/m3 |
Maximum Load |
|
|
cm-kg/cm3 |
Toughness |
|
|
cm-kg |
Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | Item | Green | Dry | English | Bending Strength | 9475 | 14334 | psi | Density | | 41 | lbs/ft3 | Hardness | | 1531 | lbs | Impact Strength | 22 | 35 | inches | Maximum Crushing Strength | 6302 | 9007 | psi | Shearing Strength | | 2205 | psi | Stiffness | 1576 | 1919 | 1000 psi | Specific Gravity | 0.52 | | | Weight | 38 | 30 | lbs/ft3 | Radial Shrinkage | 3 | | % | Tangential Shrinkage | 6 | | % | Volumetric Shrinkage | 8 | | % | |
Density (dry weight) = 38-45 lbs/cu. ft. 0 Shrinkage, Tangential = small Shrinkage, Radial = small Max. crushing strength = high Hardness (side grain) = medium Bending strength (MOR) = medium Shrinkage, Tangential = very small Shrinkage, Tangential = moderate Shrinkage, Radial = very small Shrinkage, Radial = moderate Shrinkage, Radial = fairly large Shrinkage, Volumetric = small Density (dry weight) = 31-37 lbs/cu. ft.
Bois et Forets des Tropiques,1948,Clausenopsis angolensis,Bois et Forets des Tropiques,No.6,PP124-6Bois, P.J.,1966,The Strength Properties of Tanzania Timbers,Tanzania Forest Div. Util. Sec. Moshi Tech. Note, No.35Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchBryce, J.M.,1967,Commercial Timbers of Tanzania,Tanzanian Forestry Division Util. Sec. MoshiChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Eggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaForest Products Research Laboratory, U.K.,1955,Kiln-Drying Schedules,Forest Products Research Laboratory, Princes Risborough, Department of,Science and Industrial Research, Building Research Establishment Leaflet,No.42Forests Products Research Laboratory, U.K.,1956,A Handbook of Hardwoods,Forest Products Research Laboratory, Princes Risborough, Department of,Science and Industrial Research, Building Research EstablishmentFrance - C.T.F.T./C.T.B.,1982,Guide pour le Choix des Essences Deroulables-pour la fabrication du,contreplaque,C.T.F.T./C.T.B. FranceGoldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9Grant, D.K.S.,1934,Some Local Timbers,Tanzania Forest DepartmentLogan, W.E.M.,1946,An Introduction to the Forests of Central and Southern Ethiopia,Imperial Forestry Institute, Oxford Paper No.24McCoy-Hill, M.,1955,Timbers of Tanganyika - Afzelia quanzensis, Fagaropsis and Sterculia,appendiculata,Timber Technology,63(2191,p260Murira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Patterson, D.N.,1963,The strength of Kenya timbers, their derivation and application,Kenya Forestry Department Research Bulletin,No.23Tack, C.H.,1969,Uganda Timbers,Govt. Printer UgandaTakahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Tanzania Forest Department,1960,The Natural Durability of Local Timbers,Tanzanian Forest Dept. Tech. Note,No.14Tanzania Forest Department,1966,Flooring Timbers,Tanzania Forest Div. Util. Sec. Moshi - Timbers of TanganyikaTanzania Forest Division,1961,Fagaropsis angolensis (Mafu,Tanzania Forest Div. Util. Sec. Moshi - Timbers of TanganyikaTanzania Forest Division,1966,Kiln Drying Schedules for Tanzania Timbers Technical Note no.38,Tanzania Forest Div. Util. Sec. MoshiTanzania Forest Division,1967,The Weights and Shrinkage of some Local Timbers,Tanzania Forest Div. Util. Sect. Technical Note,No.25Timber Development Association Ltd.,1955,World Timbers (3 Vols.,Timber Development Association Ltd.Timber Development Association,1948,Some New Timbers and Their Uses No. 34,Timber Development Association Limited, London [TRADA]Uganda Forest Department,1969,The Shrinkage of Some Ugandan Timbers,Uganda Forestry Department Timber Leaflet,No.47Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
|