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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
Light-Induced Color Change
Luster
Nailing
Natural Durability
Numerical Data
Odor
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sanding
Sapwood Color
Scientific Name
Screwing
Strength Properties
Synonyms
Texture
Trade Name
Tree Size
Turning
Varnishing
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Synonyms
Myrsine melanophloeos, Myrsine rhododendroides
Common Names
Beukenhout, Cape beech, Chikuma, Isiqalaba se hlati, Isiquaqu, Isiqwane se hlati, Isiqwane-wehlati, Kaapse boekenhout, Magona, Massassa, Muforo, Mukwiramakoko, Murgwite, Murwiti, Mutomo, Rapanea, Siqwanesehlat
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Cameroon, Malawi, Mozambique, South Africa, Tanzania, Zimbabwe
Common Uses
Agricultural implements, Bedroom suites, Boxes and crates, Broom handles, Brush backs & handles, Cabinetmaking, Carvings, Drawer sides, Drum sticks, Flooring, Flooring: commercial heavy traffic, Flooring: industrial heavy traffic, Furniture , Furniture, Handles: general, Heavy construction, Joinery, Kitchen cabinets, Light construction, Living-room suites, Medicinal use, Millwork, Moldings, Musical instruments , Office furniture, Organ pipes, Paneling, Piano keys, Pianos , Plywood, Radio - stereo - TV cabinets, Sounding boards, Tool handles, Toys, Turnery, Violin bows, Violin, Xylophones
Environmental Profile
| Status has not been officially assessed |
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Heartwood Color
| Yellow |
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| Orange |
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| White to cream |
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| Pale red to pink |
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| Pale brown |
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| Brown |
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The heartwood is white when freshly cut, darkening to a pink brown color upon exposure. Rays show up as pink bands or spots, according to cut.
Sapwood Color
| White |
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| Yellow |
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| Color not distinct from heartwood |
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Grain
| Figure |
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| Distinct (figure) |
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| Even |
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| Closed |
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| Wavy |
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| Straight |
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| Rays (figure) |
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| Weak (figure) |
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| Distinct figure |
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| Wavy |
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| Weak figure |
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| Straight |
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| Rays figure |
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| Even |
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Rays produce a conspicuous figure on quartersawn surfaces
Texture
| Medium |
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| Coarse |
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| Fine |
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| Medium |
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Luster
Natural Durability
| Moderately durable |
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| Non durable |
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| Susceptible to attack from powder post (Lyctid & Bostrychid) beetles |
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| Susceptible to marine borer attack |
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| Susceptible to termite attack |
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| Susceptible to marine borer attack |
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| Susceptible to attack from termites (Isoptera) |
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| Perishable |
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| Moderately durable |
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Odor
| No specific smell or taste |
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Light-Induced Color Change
Kiln Schedules
| Kiln Drying Rate (in days) is rather slow |
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| UK=C US=T3C2/T3C1 Fr=3 |
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| Dry at a slow speed |
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Drying Defects
| Moderate end spitting |
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| Moderate cupping |
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| Moderate surface checking |
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| Moderate collapse and honeycombing |
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Timber is liable to split and cup during drying, particularly backsawn boards
Ease of Drying
The wood is generally moderately difficult to dry, especially backsawn material
Kiln Drying Rate
| Slow (18-28 days for boards < 32 mm, to 52-84 days for boards >= 63 mm) |
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Tree Size
| Tree height is 0-10 m |
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| Tree height is 10-20 m |
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| Tree height is 40-50 m |
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Boles that are often straight and clear of branches to 20 feet (6 m). T
Comments
General finishing qualities are rated as satisfactory
Cutting Resistance
| Cutting Resistance with dry wood is easy |
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| Saws without difficulty |
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| Cutting Resistance with green wood is easy |
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Quartersawing is reported to emphasize grain pattern and also facilitates seasoning.
Gluing
| Easy to glue |
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| Satisfactory gluing properties |
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Nailing
| Possible if prebored |
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| Moderate nailing properties |
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Planing
| Easy to plane |
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| Planes well, to a good finish |
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The timber is generally easy to plane, mould, bore, and mortise, but it requires sanding after most machining operations in order to obtain a smooth surface.
Resistance to Impregnation
| Heartwood is moderately resistant |
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Response to Hand Tools
| Easy to Work |
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| Easy to machine |
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| Good |
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Sanding
Screwing
| Moderate screwing characteristics |
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Turning
| Fairly Easy to Very Easy |
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| Turns with moderate ease |
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| Finish is generally satisfactory |
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| Easy to turn |
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Polishing
| Satisfactory results |
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| Good results |
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Varnishing
Strength Properties
| Density (dry weight) = 46-52 lbs/cu. ft. |
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| Bending strength (MOR) = medium |
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| Shrinkage, Tangential = large |
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| Shearing strength (parallel to grain) = medium |
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| Shrinkage, Radial = fairly large |
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| Max. crushing strength = medium |
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| Hardness (side grain) = medium |
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| Shrinkage, Tangential = moderate |
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| Shrinkage, Tangential = fairly large |
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| Shrinkage, Radial = very small |
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| Shrinkage, Radial = small |
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| Shrinkage, Radial = moderate |
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| Shrinkage, Radial = large |
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| Modulus of Elasticity (stiffness) = medium |
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| Modulus of Elasticity (stiffness) = high |
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| Max. crushing strength = high |
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| Shrinkage, Tangential = small |
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| High in density |
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| Hardness = medium |
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| Compression strength (parallel to grain) = high |
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| Bending strength (MOR) = very high |
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| Air-Dried condition about 12% moisture content |
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It resists denting and marring about as well as white oak or birch
Much stronger than Teak in the air-dry condition
Other species high in compression strength include Teak, White oak, and Hard maple.
Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 9310 | 15521 | psi |
| Density | | 48 | lbs/ft3 |
| Hardness | | 1591 | lbs |
| Maximum Crushing Strength | 5109 | 8213 | psi |
| Shearing Strength | | 2075 | psi |
| Static Bending | | 9388 | psi |
| Stiffness | 1916 | 2270 | 1000 psi |
| Specific Gravity | | 0.74 | |
| Weight | 46 | 37 | lbs/ft3 |
| Radial Shrinkage | 4 | | % |
| Tangential Shrinkage | 9 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 654 | 1091 | kg/cm2 |
| Density | | 769 | kg/m3 |
| Hardness | | 721 | kg |
| Maximum Crushing Strength | 359 | 577 | kg/cm2 |
| Shearing Strength | | 145 | kg/cm2 |
| Static Bending | | 660 | kg/cm2 |
| Stiffness | 134 | 159 | 1000 kg/cm2 |
| Specific Gravity | | 0.74 | |
| Weight | 737 | 592 | kg/m3 |
| Radial Shrinkage | 4 | | % |
References
Alan Schwartz. Rio Rivuma, Boston, MA. Personal Communication, 1993.
Banks, C.H., Schoeman, J.P., Otto, K.P.,1977,The Mechanical Properties of Timbers with particular reference to South,Africa,South African Forestry Research Institute Bulletin,(Ed.,Schoeman, J.P. 1973 & Otto K.P. 1976,No.48
Banks, C.H.,1954,The Mechanical Properties of Timbers with Particular Reference to those,grown in the Union of South Africa,Journal of the South African Forestry Association,No. 24 pp.44-65,[South,African Forestry Journal]
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
Chalk, L. et al.,1935,Fifteen South African High Forest Timber Trees,Forest Trees and Timbers of the British Empire, Imperial Forestry,Institute, Oxford,Part 3
Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9
Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.
Keay, R.W.J. 1989. Trees of Nigeria. Revised Version of Nigerian Trees. Clarendon Press, Oxford.
Lamb, G.N.,1956,Foreign Woods - Cape beach (Rapanea melanophleos,Wood and Wood Products 61(10) p.54
Pardy, A.A.,1956,Notes on Indigenous Trees and Shrubs of S. Rhodesia,Ministry of Agriculture and Lands S. Rhodesia Bulletin,No.1897
Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University Press
Scott, M.H. 1953. Utilization Notes on South African Timbers. Bulletin No. 36. Department of Forestry, Union of South Africa. The Government Printer, Pretoria, South Africa.
Scott, M.H.,1935,Weights of South African Growth Timbers,South African Department of Agriculture and Forestry Bulletin,No.145,Forest Products Institute, Forestry Series No.1
Scott, M.H.,1948,Timber Seasoning in South Africa,South African Forestry Department South Africa Bulletin No.32
Scott, M.H.,1953,Utilisation Notes on South African Timbers,South African Forestry Department Bulletin No.36
Sim, T.R.,1921,Native Trees of South Africa,Union of South Africa Department of Mines and Industries Memoir No.3
South African Lumber Millers Assoc.,1969,Notes on some Commercially Available Hardwoods,S.A.L.M.A. Timber Info. Centre Timber Technical Guide,No.1
Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7
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