Heji ye mukaka (Euphorbia tirucalli)
Family: Euphorbiaceae
Common names: Heji ye mukaka, Ingotsha, Kalli, Kanyan'anya, Lanka sij, Milk bush, Milk hedge, Nawahandi, Nevli, Rubber hedge, Rusungwe, Sehud, Seyr, Shazaunglethnyo, Thuvar, Tiru kalli, Tsokete, Tsokotela, Yele gulla
Distributed in: India, Sri Lanka, Zimbabwe (Africa, Oceania and S.E. Asia)
Common uses: Boxes and crates, Furniture, Model airplanes
Tree size: Trunk diameter is 150-200 cm
Colors: the heart isWhite to cream, Yellowand the sapwoodWhite, Yellow.The grain isWeak figure, the textureMedium
Natural durability: Susceptible to attack from termites (Isoptera), Susceptible to insect attack
Kiln Schedules: Dry at a slow speed
Kiln Drying Rate: Naturally dries quickly
Drying Defects: Internal Honeycombing Possible, Splitting
Ease of Drying: Rapidly
Blunting Effect: Moderate
Cutting Resistance: Fairly Difficult to Very Difficult to saw
Gluing: Fairly Easy to Very Easy
Nailing: Fairly Difficult to Very Difficult, Fairly Easy to Very Easy
Planing: Very Good to Excellent
Resistance to Impregnation: Permeable sapwood
Response to hand tools: Fairly Difficult to Difficult to Work
Routing recessing: Fairly Easy to Very Easy
Screwing: Fairly Easy to Very Easy
;
Painting: Very Good to Excellent; Polishing: Fair to Good; Varnishing: Very Good to Excellent;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
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Density |
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512 |
kg/m3 |
Bending Strength |
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kg/cm2 |
Crushing Strength |
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kg/cm2 |
Hardness |
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kg |
Impact Strength |
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cm |
Shearing Strength |
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kg/cm2 |
Stiffness |
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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 | Density | | 32 | lbs/ft3 | Weight | 31 | 25 | lbs/ft3 | |
Density (dry weight) = 31-37 lbs/cu. ft.
Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9White, F.,1962,Forest Flora of Northern Rhodesia,O.U.P. LondonWood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13
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