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Blunting Effect
Boring
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Luster
Movement in Service
Natural Durability
Numerical Data
Planing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Scientific Name
Staining
Strength Properties
Synonyms
Texture
Trade Name
Tree Identification
Tree Size
Turning
Veneering Qualities
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Synonyms
Gymnartocarpus triandra
Common Names
Minggi, Pinggi, Temponek
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Malaysia
Common Uses
Boxes and crates, Joinery, Light construction, Plywood
Heartwood Color
| Red |
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| Green/grey |
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| Pink |
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| Brown |
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Grain
| Even |
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| Interlocked |
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| Straight |
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Texture
Luster
Natural Durability
| Perishable |
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| Non-durable |
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| Non-resistant to termites |
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| Susceptible to insect attack |
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| Non durable |
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| Perishable |
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| Heartwood is susceptible to wood staining fungal attack |
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Drying Defects
Ease of Drying
Kiln Drying Rate
Tree Identification
| Bole/stem form is not buttressed |
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Tree Size
| Tree height is 50-60 m |
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| Trunk diameter is 150-200 cm |
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| Sapwood width is 5-10 cm |
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| Bole length is 10-20 m |
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| Bole length is 20-30 m |
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| Bark width is 20-25 mm |
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| Tree height is 40-50 m |
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| Bark width is 10-15 mm |
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| Trunk diameter is 100-150 cm |
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| Bark width is 15-20 mm |
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| Trunk diameter is 200-250 cm |
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Blunting Effect
Boring
Cutting Resistance
| Cutting Resistance with green wood is easy |
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| Cutting Resistance with dry wood is moderate |
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| Cutting Resistance with dry wood is easy |
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| Cutting Resistance with dry wood is difficult |
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Gluing
| Fairly Difficult to Very Difficult |
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| Fair to Good Results |
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| Fairly Easy to Very Easy |
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Movement in Service
| Excellent Stability - Small Movement |
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Planing
| Very Good to Excellent Results |
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| Fair to Good Results |
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| Planes to a poor finish |
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| Ease of planing is moderate |
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Resistance to Impregnation
| Permeable heartwood |
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| Permeable sapwood |
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| Heartwood is permeable |
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Response to Hand Tools
| Easy to Work |
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| Fairly Difficult to Difficult to Work |
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| Easy to machine |
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Turning
| Very Good to Excellent Results |
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| Fair to Good Results |
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Veneering Qualities
| Suitable for peeling |
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| Veneers easily |
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| Veneers moderately easy |
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| Difficult to veneer |
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| Easy to cut |
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Staining
Strength Properties
| Toughness-Hammer drop (Impact Strength) = very low |
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| Shrinkage, Tangential = moderate |
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| Shrinkage, Radial = very small |
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| Shearing strength (parallel to grain) = low |
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| Modulus of Elasticity (stiffness) = low |
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| Max. crushing strength = medium |
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| Bending strength (MOR) = low |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 6111 | 9589 | psi |
| Impact Strength | | 15 | inches |
| Maximum Crushing Strength | 3916 | 6397 | psi |
| Shearing Strength | | 1560 | psi |
| Stiffness | 1358 | 1568 | 1000 psi |
| Radial Shrinkage | 2 | | % |
| Tangential Shrinkage | 7 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 429 | 674 | kg/cm2 |
| Impact Strength | | 38 | cm |
| Maximum Crushing Strength | 275 | 449 | kg/cm2 |
| Shearing Strength | | 109 | kg/cm2 |
| Stiffness | 95 | 110 | 1000 kg/cm2 |
| Radial Shrinkage | 2 | | % |
References
Browne, F.G.,1955,Forest Trees of Sarawak and Brunei and their Products.,Government Printing Office, Kuching, Sarawak
Burgess, H.J.,1956,The timbers of Keledang and Terap,Malayan Forester 19(1) pp36-40
Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15
Lee, Y.H., Lopez, D.T.,1968,The Machining Properties of some Malayan Timbers,Malayan Forester,3,pp194-210
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