Hoom (Saccopetalum unguiculatum)
Family: Annonaceae
Common names: Hoom, Kanakkaitha
Distributed in: India (Oceania and S.E. Asia)
Common uses: Agricultural implements, Boat building (general), Boxes and crates, Cabinetmaking, Furniture, Light construction, Mine timbers, Plywood, Poles, Posts, Tool handles
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodSame as heartwood
.The grain isStraight, the textureMedium
Natural durability: Perishable, Susceptible to insect attack
Drying Defects: Distortion, Internal Honeycombing Possible
Cutting Resistance: Cutting Resistance with green wood is easy
Gluing: Fairly Easy to Very Easy
Nailing: Fair to Good , Very Good to Excellent
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Easy to machine
Veneering qualities: Veneers easily, Veneers moderately easy
Turning: Fairly Easy to Very Easy
Polishing: Good;
- 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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689 |
kg/m3 |
Bending Strength |
804 |
1248 |
kg/cm2 |
Crushing Strength |
380 |
574 |
kg/cm2 |
Hardness |
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kg |
Impact Strength |
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71 |
cm |
Shearing Strength |
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kg/cm2 |
Stiffness |
117 |
135 |
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 | 11442 | 17761 | psi | Density | | 43 | lbs/ft3 | Impact Strength | | 28 | inches | Maximum Crushing Strength | 5408 | 8171 | psi | Stiffness | 1665 | 1923 | 1000 psi | Weight | 42 | 34 | lbs/ft3 | |
Density (dry weight) = 46-52 lbs/cu. ft. Density (dry weight) = 38-45 lbs/cu. ft. Toughness-Hammer drop (Impact Strength) = low Modulus of Elasticity (stiffness) = medium Max. crushing strength = medium Max. crushing strength = high Bending strength (MOR) = medium Bending strength (MOR) = high
Chowdhury, K.A., Ghosh, S.S.,1958,Indian Woods: Their identification, properties and uses Vol. I,Dilleruaceae to Elaeocarpaceae,Manager of Publications, Delhi, IndiaNazma,1981,A handbook of Kerala Timbers,Kerala Forest Research Institute Research Report, No.9Tewari, M.C., Jain, J.C.,1980,Utilization of Secondary Species,Journal of the National Building Organization 25(2) pp1-6
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