Darah darah (Myristica buchneriana)
Family: Juglandaceae
Common names: Darah darah, Duguan, Kaudamu, Kumpang, Mutwinda, Nutmeg, Penarahan, Tambolau
Distributed in: Fiji, Indonesia, Malaysia, Myanmar, Papua New Guinea, Philippines (Oceania and S.E. Asia)
Common uses: Bedroom suites, Building materials, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Core Stock, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Excelsior, Figured veneer, Fine furniture, Floor lamps, Framing, Furniture , Furniture components, Furniture squares or stock, General carpentry, Hatracks, Interior construction, Interior trim, Joinery, Kitchen cabinets, Living-room suites, Moldings, Office furniture, Plain veneer, Plywood, Radio - stereo - TV cabinets, Rustic furniture, Stools, Structural plywood, Tables , Turnery, Utility furniture, Veneer
Environment profile: Status has not been officially assessed
Species in the Myristica genus are distributed in the Indo-Malayan region, Indonesia, Philippines, and Western Pacific Islands
Tree size: Tree height is 30-40 m
Colors: the heart isGrey brown, Reddish brownand the sapwoodNot clearly differentiated from the heartwood, Sapwood is lighter than heartwood .The grain isStraight, the textureMediumand the lusterSlightly lustrous
Natural durability: Sapwood is vulnerable to attack by powder-post beetles , Susceptible to insect attack
Odor: No specific smell or taste
Kiln Schedules: T10 - D4S (4/4) US/T10 - D4S (4/4) U
Drying Defects: Distortion, Thinner stock may warp
Ease of Drying: Dries slowly with little degrade
Boring: Very good results
Cutting Resistance: Low cutting resistance
Gluing: Fairly Easy to Very Easy
Mortising: Good mortising properties
Moulding: Easy to mould
Movement in Service: Easy to mould
Nailing: Poor nailing properties, Tends to split during nailing
Planing: Yields clean surfaces
Resistance to Impregnation: Timber responds readily to preservative treatment
Response to hand tools: Responds well to hand tools
Routing recessing: Routs and recesses easily
Sanding: Good sanding properties
Turning: Very easy to turn
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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400 |
kg/m3 |
Bending Strength |
491 |
716 |
kg/cm2 |
Crushing Strength |
236 |
436 |
kg/cm2 |
Hardness |
|
242 |
kg |
Impact Strength |
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cm |
Shearing Strength |
|
90 |
kg/cm2 |
Stiffness |
98 |
112 |
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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64 |
cm-kg |
Static Bending |
342 |
496 |
kg/cm2 |
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| | | | Item | Green | Dry | English | Bending Strength | 6997 | 10192 | psi | Density | | 25 | lbs/ft3 | Hardness | | 534 | lbs | Maximum Crushing Strength | 3361 | 6213 | psi | Shearing Strength | | 1294 | psi | Static Bending | 4871 | 7056 | psi | Stiffness | 1401 | 1597 | 1000 psi | Toughness | | 56 | inch-lbs | Specific Gravity | 0.36 | 0.41 | | |
Compression strength (parallel to grain) = medium Bending strength in the air-dried condition (about 12% moisture content) is medium, but lower than Mahogany, and much lower than White oak. It is not hard and can be dented and marred easily. It is of average, or medium, density.
Bolza, E., Kloot, N. H. 1966. The Mechanical Properties of 81 New Guinea Timbers. Technological Paper No. 41. Division of Forest Products, Center for Scientific and Industrial Organization (CSIRO, Melbourne, AustraliaChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Eddowes, P.J. 1977. Commercial Timbers of Papua New Guinea - Their Properties and Uses. Forest Products Research Center, Office of Forests, Department of Primary Industry, Papua New Guinea.
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