Fijian Sterculia (Sterculia vitiensis)
Family: Sterculiaceae
Common names: Fijian Sterculia, Waciwaci
Distributed in: Fiji (Oceania and S.E. Asia)
Distribution overview: Several species in the genus Sterculia are distributed in the Malay Peninsula, Philippines, and other areas in southeast Asia.
Environment profile: Status has not been officially assessed
Tree size: Tree height is 30-40 m
Colors: the heart isRed, White to creamand the sapwoodWhite, Yellow.The grain isStraight, the textureVery fineand the lusterMedium
Natural durability: Resistant to termites, Very durable
Drying Defects: Checking, Distortion
Ease of Drying: Stains easily
Comments: Leight weight, poor quality, suitable on for low-grade uses
Boring: Fairly difficult to very difficult
Carving: Fairly Difficult to Very Difficult
Cutting Resistance: Material is very soft and saws easily
Mortising: Fairly Difficult to Very Difficult
Moulding: Fairly Difficult to Very Difficult
Movement in Service: Fairly Difficult to Very Difficult
Planing: Fairly Difficult to Very Difficult
Response to hand tools: Fairly Difficult to Difficult to Work
Routing recessing: Fairly Difficult to Very Difficult
Sanding: Fair to Good Results
Turning: Fairly Difficult to Very Difficult
Polishing: 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 |
|
336 |
kg/m3 |
Bending Strength |
387 |
579 |
kg/cm2 |
Crushing Strength |
19 |
22 |
kg/cm2 |
Hardness |
|
166 |
kg |
Impact Strength |
|
|
cm |
Shearing Strength |
|
54 |
kg/cm2 |
Stiffness |
74 |
88 |
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 |
|
108 |
cm-kg |
Static Bending |
222 |
298 |
kg/cm2 |
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| | | | Item | Green | Dry | English | Bending Strength | 5513 | 8247 | psi | Crushing Strength | 279 | 314 | psi | Density | | 21 | lbs/ft3 | Hardness | | 368 | lbs | Maximum Crushing Strength | 2450 | 5135 | psi | Shearing Strength | | 774 | psi | Static Bending | 3165 | 4243 | psi | Stiffness | 1058 | 1264 | 1000 psi | Toughness | | 94 | inch-lbs | Specific Gravity | | 0.34 | | |
Resistance to denting and marring is low Hardness (side grain) = soft Density = medium Compression strength (parallel to grain) = low Bending strength (MOR) = medium
Bolza, E., Kloot, N.H.,1972,The Mechanical Properties of 56 Fijian Timbers,Australia C.S.I.R.O. Division of Forest Products Technological Paper,No.,62Desch, H. E. 1954. Manual of Malayan Timbers - Volume II. Malayan Forest Records, No. 15. Malaysia Publishing House Ltd., Singapore.Schneider, E.E. 1916. Commercial Woods of the Philippines: Their Preparation and Uses. Bulletin No. 14. Department of the Interior, Bureau of Forestry, Manila, Philippines.
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