Chumnalilet (Afrocrania volkensii)
Family: Cornaceae
Common names: Chumnalilet, Kalkalter, Kamnyalilet, Kasakiga, Mugonyone, Mukorombosi, Mushemeki, Musonganyonyi, Muveneki, Muyandege, Saiit, Tasakiet, Torokoi, Tumbechi
Distributed in: Kenya, Mozambique, Tanzania, Uganda, Zimbabwe (Africa)
Common uses: Boat building (general), Boxes and crates, Brush backs & handles, Cabinetmaking, Furniture, Joinery, Light construction, Plywood, Toys, Turnery, Veneer: decorative
Tree size: Trunk diameter is 150-200 cm
Colors: the heart isPurple, Redand the sapwoodWhite to yellow
.The grain isStraight, the textureMediumand the lusterLow
Natural durability: Susceptible to attack from termites (Isoptera), Susceptible to marine borer attack
LightInduced Color Change: Darker
Kiln Drying Rate: Naturally dries slowly
Drying Defects: Distortion, Splitting
Ease of Drying: Slowly
Tree Identification: Bole/stem form is straight
Blunting Effect: High to severe
Boring: Fairly easy to very easy
Cutting Resistance: Fairly Difficult to Very Difficult to saw
Gluing: Easy to glue
Mortising: Very Good to Excellent
Nailing: Holds nails well
Planing: Very Good to Excellent
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Fairly Difficult to Difficult to Work
Sanding: Very Good to Excellent Results
Veneering qualities: Veneers easily, Veneers moderately easy
Screwing: Screwing yields good results
; Turning: Very Good to Excellent Results
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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 |
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| Item |
Green |
Dry |
Metric |
| Specific Gravity |
|
|
|
| Density |
|
560 |
kg/m3 |
| Bending Strength |
429 |
674 |
kg/cm2 |
| Crushing Strength |
275 |
449 |
kg/cm2 |
| Hardness |
|
|
kg |
| Impact Strength |
|
|
cm |
| Shearing Strength |
|
109 |
kg/cm2 |
| Stiffness |
95 |
110 |
1000 kg/cm2 |
| Tangential Shrinkage |
|
|
% |
| Radial Shrinkage |
4 |
|
% |
| Weight |
544 |
432 |
kg/m3 |
| Maximum Load |
|
|
cm-kg/cm3 |
| Toughness |
|
|
cm-kg |
| Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | | Item | Green | Dry | English | | Bending Strength | 6111 | 9589 | psi | | Density | | 35 | lbs/ft3 | | Maximum Crushing Strength | 3916 | 6397 | psi | | Shearing Strength | | 1560 | psi | | Stiffness | 1358 | 1568 | 1000 psi | | Weight | 34 | 27 | lbs/ft3 | | Radial Shrinkage | 4 | | % | | Tangential Shrinkage | 7 | | % | |
Density (dry weight) = 31-37 lbs/cu. ft. 1 Density (dry weight) = 38-45 lbs/cu. ft. Shrinkage, Tangential = moderate Shrinkage, Radial = small Shrinkage, Radial = moderate Shearing strength (parallel to grain) = low Modulus of Elasticity (stiffness) = low Max. crushing strength = medium Bending strength (MOR) = low Shrinkage, Tangential = small Shrinkage, Tangential = fairly large
Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchDale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards LondonEggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaFrance - 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. FrancePalgrave, K.C.,1977,Trees of Southern Africa,Cape Town South AfricaTack, C.H.,1969,Uganda Timbers,Govt. Printer UgandaWimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
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