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Blunting Effect
Boring
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Kiln Schedules
Luster
Mortising
Moulding
Movement in Service
Nailing
Natural Durability
Numerical Data
Painting
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Resistance to Splitting
Response to Hand Tools
Routing & Recessing
Scientific Name
Screwing
Staining
Steam Bending
Strength Properties
Texture
Trade Name
Tree Size
Turning
Varnishing
Veneering Qualities
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Common Names
African podocarpus, Mse-mghoshi, Mse-mwanamume, Podo, Yellowwood
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Tanzania
Common Uses
Beehives, Boxes and crates, Concrete formwork, Food containers, Furniture, Plywood, Railroad ties
Heartwood Color
| Red |
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| Brown |
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| Purple |
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| Pink |
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| Yellow to golden-yellow to orange |
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| Pale brown |
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Grain
Texture
Luster
Natural Durability
| Durable |
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| Resistant to marine borers |
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| Moderately durable |
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| Perishable |
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| Non-durable |
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| Non durable |
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| Susceptible to attack from powder post (Lyctid & Bostrychid) beetles |
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| Pinworms (ambrosia beetles) are commonly present |
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| Perishable |
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Kiln Schedules
| Drying (speed) is fast |
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| UK=A US=T2D4/T2D3 Fr=1 |
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| Dry at a moderate speed |
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Drying Defects
| Slight surface checking |
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| Slight end splitting |
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| Moderate twist/warp |
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| Moderate end spitting |
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Ease of Drying
| Fairly Easy |
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| Rapidly |
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| Slowly |
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| Moderately Difficult to Difficult |
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| Moderate |
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Kiln Drying Rate
| Naturally dries quickly |
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| Naturally dries slowly |
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Tree Size
| Trunk diameter is 150-200 cm |
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| Bole length is 10-20 m |
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| Bole length is 20-30 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 40-50 m |
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| Tree height is 50-60 m |
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| Bole length is 0-10 m |
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| Sapwood width is 15-20 cm |
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| Trunk diameter is 200-250 cm |
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| Trunk diameter is 250-300 cm |
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Blunting Effect
| Little |
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| Blunting effect on machining is slight |
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Boring
| Fairly easy to very easy |
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| Moderately easy |
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Cutting Resistance
| Easy to saw |
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| Cutting Resistance with green wood is easy |
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| Cutting Resistance with dry wood is easy |
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Gluing
| Moderate gluing properties |
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| Easy to glue |
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Mortising
| 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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| Easy to mortise |
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| Interlocked slightly to moderately |
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| Finishes satisfactorily |
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Moulding
| 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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| Good finishing results |
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| Easy to mould |
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| Interlocked slightly to moderately |
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Movement in Service
| Excellent Stability - Small Movement |
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| Small |
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| Medium |
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Nailing
| 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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| Holds nails well |
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Planing
| 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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| Planes well, to a good finish |
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| Easy to plane |
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Resistance to Impregnation
| Permeable sapwood |
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| Resistant sapwood |
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| Resistant heartwood |
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| Heartwood is permeable |
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Resistance to Splitting
Response to Hand Tools
| Easy to Work |
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| Easy to machine |
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Routing & Recessing
| 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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| Satisfactory routing results |
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| Moderately easy |
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Screwing
| 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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| Screwing yields good results |
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Turning
| 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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| Good results |
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| Easy to turn |
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Veneering Qualities
| Suitable for peeling |
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| Veneers easily |
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| Veneers moderately easy |
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| Suitable for peeling |
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| Easy to cut |
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Steam Bending
Painting
| Fair to Good Results |
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| Poor to Very Poor Results |
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| Good results |
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Polishing
| Fair to Good Results |
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| Good results |
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Staining
| Fair to Good Results |
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| Finish is generally good |
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Varnishing
Strength Properties
| Modulus of Elasticity (stiffness) = very low |
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| Max. crushing strength = medium |
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| Density (dry weight) = 31-37 lbs/cu. ft. |
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| Bending strength (MOR) = low |
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| Toughness-Hammer drop (Impact Strength) = low |
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| Shrinkage, Tangential = small |
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| Shrinkage, Radial = very small |
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| Shearing strength (parallel to grain) = very low |
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| Shearing strength (parallel to grain) = low |
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| Hardness (side grain) = very soft |
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| Hardness (side grain) = soft |
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| Work to Maximum Load |
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| Toughness (total work) = very low |
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| Shrinkage, Tangential = moderate |
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| Shrinkage, Radial = small |
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| Max. crushing strength = low |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 6111 | 9589 | psi |
| Density | | 32 | lbs/ft3 |
| Hardness | | 657 | lbs |
| Impact Strength | | 28 | inches |
| Maximum Crushing Strength | 3916 | 6397 | psi |
| Shearing Strength | | 1221 | psi |
| Stiffness | 1017 | 1199 | 1000 psi |
| Toughness | | 95 | inch-lbs |
| Work to Maximum Load | 7 | 10 | inch-lbs/in3 |
| Weight | 31 | 25 | lbs/ft3 |
| Radial Shrinkage | 2 | | % |
| Tangential Shrinkage | 6 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 429 | 674 | kg/cm2 |
| Density | | 512 | kg/m3 |
| Hardness | | 298 | kg |
| Impact Strength | | 71 | cm |
| Maximum Crushing Strength | 275 | 449 | kg/cm2 |
| Shearing Strength | | 85 | kg/cm2 |
| Stiffness | 71 | 84 | 1000 kg/cm2 |
| Toughness | | 109 | cm-kg |
| Work to Maximum Load | 0.49 | 0.70 | cm-kg/cm3 |
| Weight | 496 | 400 | kg/m3 |
| Radial Shrinkage | 2 | | % |
References
Bois, P.J.,1966,The Strength Properties of Tanzania Timbers,Tanzania Forest Div. Util. Sec. Moshi Tech. Note, No.35
Bryce, J.M., Norcross, H.,1961,The Resistance of Tanganyika Timbers to Impregnation,Tanzania Forest Dept. Util. Sec .Tech. Note,No.28
Bryce, J.M.,1967,Commercial Timbers of Tanzania,Tanzanian Forestry Division Util. Sec. Moshi
Dallimore, W. and Jackson, A. Bruce,1966,A Handbook of Coniferae and Ginkgoaceae Fourth Ed. Revised by S.G.,Harrison,Edward Arnold (Publishers) Ltd. London
Forest Products Research Laboratory U.K.,1957,A Handbook of Softwoods,Department of Scientific and Industrial Research Forest Products Research,HMSO
Rijsdijk, L.F. and Laming, P.B.,1994,Physical and Related Properties of 145 Timbers, Information for,Practice,TNO Building and Construction Research Centre for Timber Research Kluwer,Academic Publishers
Tack, C.H.,1958,The Strength Properties of some Uganda Timbers,Uganda Forest Department Bulletin No. 5
Tanzania Forest Division,1966,Kiln Drying Schedules for Tanzania Timbers Technical Note no.38,Tanzania Forest Div. Util. Sec. Moshi
Uganda Forest Department,1954,The Mechanical Properties of some Ugandan Timbers,Uganda Forest Department Timber Leaflet,No.1
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