Mlanje Cedar (Widdringtonia whytei)
Family:
Common names: Mkungusa, Mlanje Cedar, Mlanje Cypress
Distributed in: Kenya, Malawi, Mozambique, South Africa, Tanzania, Zimbabwe (Africa)
Distribution overview: Described as a bush or a small tree, and occurs in South Africa, from the southwest Cape, east and northwards through Natal to the Soutpansberg in the northern Transvaal, up to an elevation of 8500 feet (2490 m). It is rather common along gullies and steep slopes on grassy mountain sides at Giant's Castle Cathedral Peak in Natal.
Common uses: Balusters, Building construction, Building materials, Chairs, Chests, Concealed parts (Furniture), Construction, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Exterior trim & siding, Exterior uses, Fine furniture, Floor lamps, Flooring, Furniture , Furniture components, Furniture squares or stock, Hatracks, Interior construction, Interior trim, Kitchen cabinets, Light construction, Living-room suites, Millwork, Moldings, Office furniture, Paneling , Parquet flooring, Pencil, Radio - stereo - TV cabinets, Rustic furniture, Shingles, Stairworks, Stools, Stringers, Sub-flooring, Tables
Environment profile: Status has not been officially assessed
Tree size: Tree height is 20-30 m
Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite, Yellow.The grain isStraight, the textureMediumand the lusterMedium
Natural durability: Resistant to powder post beetles, Susceptible to insect attack
Odor: No characteristic taste
Cedar-Like odor
Kiln Drying Rate: Naturally dries quickly
Drying Defects: Distortion, Splitting
Ease of Drying: Rapidly
Blunting Effect: Blunting effect on machining is slight
Boring: Fairly easy to very easy
Carving: Good results
Cutting Resistance: Saws readily although it is hard and tough
Gluing: Satisfactory gluing properties
Mortising: Yields clean and smooth surfaces
Moulding: Good finishing
Movement in Service: Good finishing
Nailing: Good nailing properties
Planing: good
Response to hand tools: Responds well
Routing recessing: Responds well to routing operations
Sanding: Yields smooth, clean surfaces
Screwing: Fairly Easy to Very Easy, Good screwing properties; Turning: Yields smooth, clean surface.
Painting:
Does not take paint well because of its oily nature
; Polishing: Polishes to a lustrous shine ; Staining: Very Good to Excellent; Varnishing: Interlocked slightly to moderately
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- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
0,44 |
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Density |
|
528 |
kg/m3 |
Bending Strength |
516 |
792 |
kg/cm2 |
Crushing Strength |
258 |
461 |
kg/cm2 |
Hardness |
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kg |
Impact Strength |
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cm |
Shearing Strength |
|
117 |
kg/cm2 |
Stiffness |
90 |
106 |
1000 kg/cm2 |
Tangential Shrinkage |
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% |
Radial Shrinkage |
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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 | 7350 | 11270 | psi | Density | | 33 | lbs/ft3 | Maximum Crushing Strength | 3675 | 6566 | psi | Shearing Strength | | 1666 | psi | Stiffness | 1294 | 1519 | 1000 psi | Specific Gravity | 0.44 | | | Weight | 32 | 26. | lbs/ft3 | |
Bending strength (MOR) = high
Moderate weight and high density
Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Palmer, E. and N. Pitman. 1972. Trees of Southern Africa, Volume 1 - Covering All Known Indidenous Species in the Republic of South Africa, South-West Africa, Botswana, Lesotho & Swaziland. A.A. Balkema, Publisher. Cape Town, South Africa.
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