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Boring
Carving
Comments
Common Names
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Grain
Heartwood Color
Luster
Mortising
Moulding
Movement in Service
Natural Durability
Numerical Data
Planing
Polishing
References
Regions of Distribution
Response to Hand Tools
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Strength Properties
Texture
Toxicity
Trade Name
Tree Size
Turning
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Common Names
Fijian Sterculia, Waciwaci
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Fiji
Environmental Profile
| Abundant/Secure |
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| Rare |
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| Status has not been officially assessed |
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Distribution Overview
Several species in the genus Sterculia are distributed in the Malay Peninsula, Philippines, and other areas in southeast Asia.
Heartwood Color
| Brown |
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| Black |
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| Purple |
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| Red |
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| White to cream |
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| Material is discolored to a silver gray or light brown when stained |
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| Brown |
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| Brown - light grayish |
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Sapwood Color
| Yellow |
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| White |
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| Same as heartwood |
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Grain
| Generally straight, but not always |
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Texture
| Medium |
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| Very fine |
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| Spongy heart may be present. |
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| Coarse |
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Luster
Natural Durability
| Very durable |
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| Non-durable |
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| Resistant to termites |
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| Non-resistant to marine borers |
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| Heatwood deteriorates rapidly in contact with ground |
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| Heartwoood susceptible to beetle attack |
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Toxicity
Drying Defects
Ease of Drying
| Moderately Difficult to Difficult |
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| Fairly Easy |
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| Stains easily |
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| Despite staining, timber seasons well |
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Tree Size
Comments
Leight weight, poor quality, suitable on for low-grade uses
Boring
| Fairly difficult to very difficult |
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Carving
| Fairly Difficult to Very Difficult |
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Cutting Resistance
| Fairly Difficult to Very Difficult to saw |
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| Material is very soft and saws easily |
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Mortising
| Fairly Difficult to Very Difficult |
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Moulding
| Fairly Difficult to Very Difficult |
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Movement in Service
| Unstable with Poor Stability - Large Movement |
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Planing
| Fairly Difficult to Very Difficult |
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Response to Hand Tools
| Fairly Difficult to Difficult to Work |
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| Easy to machine |
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| Clean surfaces are difficult to obtain |
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Routing & Recessing
| Fairly Difficult to Very Difficult |
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Sanding
Turning
| Fairly Difficult to Very Difficult |
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Polishing
| Very Good to Excellent Results |
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Strength Properties
| Resistance to denting and marring is low |
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| Hardness (side grain) = soft |
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| Density = medium |
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| Compression strength (parallel to grain) = low |
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| Bending strength (MOR) = medium |
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Numerical Data
| Item | Green | Dry | English |
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| 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 | |
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| Item | Green | Dry | Metric |
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| Bending Strength | 387 | 579 | kg/cm2 |
| Crushing Strength | 19 | 22 | kg/cm2 |
| Density | | 336 | kg/m3 |
| Hardness | | 166 | kg |
| Maximum Crushing Strength | 172 | 361 | kg/cm2 |
| Shearing Strength | | 54 | kg/cm2 |
| Static Bending | 222 | 298 | kg/cm2 |
| Stiffness | 74 | 88 | 1000 kg/cm2 |
| Toughness | | 108 | cm-kg |
References
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.,62
Desch, 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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