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Blunting Effect
Boring
Carving
Certified Source
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
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
Sanding
Sapwood Color
Scientific Name
Screwing
Staining
Steam Bending
Strength Properties
Texture
Toxicity
Trade Name
Tree Size
Turning
Varnishing
Veneering Qualities
| |
Common Names
African podocarpus, Mse-mchunga, Mse-mvyee, Mse-mwanamke, Muse neneli, Musenenezi, Muzizimo, Nuki, Podo, Yellowwood
Regions of Distribution
Africa
Countries of Distribution
[VIEW MAP]
Tanzania, Uganda
Common Uses
Beehives, Boxes and crates, Concrete formwork, Food containers, Furniture, Joinery, Paneling, Plywood, Railroad ties, Tables
Environmental Profile
| Vulnerable |
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| Extinct |
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| Abundant/Secure |
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| Rare |
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| Endangered |
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Heartwood Color
| Red |
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| Brown |
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| Pink |
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| Purple |
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| Green/grey |
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| Yellow to golden-yellow to orange |
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| Pale brown |
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| White to cream |
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Sapwood Color
| White |
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| Pink |
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| Yellow |
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| Red |
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| Brown |
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| Same as heartwood |
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Grain
Texture
Luster
Natural Durability
| Moderately durable |
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| Susceptible to insect attack |
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| Non-resistant to powder post beetles |
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| Non-durable |
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| Durable |
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| Non-resistant to marine borers |
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| Non-resistant to termites |
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| Perishable |
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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) may be present in the felled log |
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| Perishable |
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Toxicity
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
| Distortion |
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| Checking |
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| Internal Honeycombing Possible |
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| Collapse |
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| Splitting |
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| Slight surface checking |
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| Slight end splitting |
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| Moderate twist/warp |
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| Moderate surface checking |
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| Moderate end spitting |
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Ease of Drying
| Moderately Difficult to Difficult |
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| Fairly Easy |
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| Thick Stock Requires Care |
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| Slowly |
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| Requires special attention |
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| Easy |
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| Moderate |
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Kiln Drying Rate
| Rapid |
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| Drying rate is fairly rapid to fast |
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| Naturally dries slowly |
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| Naturally dries at a moderate speed |
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Tree Size
| Sapwood width is 5-10 cm |
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| Tree height is 30-40 m |
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| Bole length is 20-30 m |
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| Sapwood width is 0-5 cm |
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| Bole length is 10-20 m |
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| Trunk diameter is 100-150 cm |
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| Tree height is 40-50 m |
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| Tree height is 20-30 m |
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| Bark width is 5-10 mm |
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| Tree height is 10-20 m |
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Certified Source
Comments
General finishing qualities are rated as good
Blunting Effect
| Little |
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| Moderate |
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| Blunting effect on machining is slight |
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Boring
| Fairly easy to very easy |
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| Fair to good results |
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| Moderately easy |
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Carving
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Cutting Resistance
| Easy to saw |
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| Fairly Difficult to Very Difficult to saw |
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| Moderate 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
| Fairly Easy to Very Easy |
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| Fair to Good Results |
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| Easy to glue |
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| Moderate gluing properties |
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Mortising
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Finishes satisfactorily |
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| Moderately easy to mortise |
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| Easy to mortise |
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Moulding
| 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 finishing results |
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| Moulding ease is moderate |
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| Easy to mould |
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Movement in Service
| Fair to Good Stability - Medium Movement |
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| Excellent Stability - Small Movement |
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| Medium |
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| Small |
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Nailing
| Fairly Easy to Very Easy |
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| Fair to Good Results |
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| Very Good to Excellent Results |
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| Holds nails well |
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Planing
| 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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| Fairly Difficult to Very Difficult |
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| Planes well, to a good finish |
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| Easy to plane |
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Resistance to Impregnation
| Resistant heartwood |
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| Resistant sapwood |
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| Permeable heartwood |
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| Permeable sapwood |
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| Heartwood is permeable |
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| Sapwood is permeable |
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Resistance to Splitting
Response to Hand Tools
| Easy to Work |
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| Fairly Difficult to Difficult to Work |
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| Responds Readily |
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| Easy to machine |
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| Moderate working qualities |
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Routing & Recessing
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Satisfactory routing results |
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| Routing yields good results |
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| Routing is easy |
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| Moderately easy |
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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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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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| Fair to Good Results |
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| Very Good to Excellent Results |
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| Fairly Difficult to Very Difficult |
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| Good results |
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| Easy to turn |
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| Finish is generally satisfactory |
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Veneering Qualities
| Suitable for peeling |
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| Veneers moderately easy |
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| Difficult to veneer |
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| Veneers easily |
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| No drying degrade |
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| Suitable for peeling |
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| Easy to cut |
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Steam Bending
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Moderate |
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Painting
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Good results |
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| Satisfactory results |
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Polishing
| 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 results |
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| Satisfactory results |
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Staining
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Finish is generally satisfactory |
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| Staining (Characteristic) = non-staining |
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Varnishing
| 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 results |
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| Satisfactory |
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Strength Properties
| Density (dry weight) = 31-37 lbs/cu. ft. |
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| Modulus of Elasticity (stiffness) = very low |
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| Max. crushing strength = medium |
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| Bending strength (MOR) = low |
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| Shrinkage, Tangential = small |
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| Toughness-Hammer drop (Impact Strength) = low |
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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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| Shrinkage, Tangential = moderate |
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| Shrinkage, Radial = small |
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| Toughness (total work) = very low |
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| Max. crushing strength = low |
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Numerical Data
| Item | Green | Dry | English |
| | | |
| 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 |
| | | |
| 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
Brown, W.H.,1978,Timbers of the World No.1 Africa,TRADA, Red Booklet Series
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
Forest Products Research Laboratory, U.K.,1945,A Handbook of Empire Timbers,Department of Scientific and Industrial Research Forest Products Research
Grant, D.K.S.,1934,Some Local Timbers,Tanzania Forest Department
Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.
Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical Press
Redding, L.W.,1971,Resistance of Timbers to Impregnation with Creosote,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Bulletin No.54 pp.43
Smith, D.N.,1959,The Natural Durability of Timber,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Record,No.30
T.D.A.,1942,Timber Leaflet No.85 Alerce (Fitzroya cuppressiodes,TRADA Timber Leaflet
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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