Clicking
any heading in the main data area (at right) will scroll the page back
to this top position.
Use the following links to
jump to the associated section in the main data.
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Gluing
Grain
Heartwood Color
Kiln Drying Rate
Luster
Nailing
Natural Durability
Numerical Data
Odor
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Silica Content
Strength Properties
Texture
Trade Name
Tree Size
Turning
| |
Common Names
Apa apa, Bengang, Durian, Punggai
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Indonesia, Malaysia
Common Uses
Blockboard, Boat building, Boxes and crates, Building construction, Building materials, Canoes, Construction, Core Stock, Decorative plywood, Decorative veneer, Domestic flooring, Factory flooring, Figured veneer, Flooring, Furniture , Furniture components, Furniture squares or stock, Hardboards, Interior trim, Joinery, Lifeboats, Light construction, Millwork, Moldings, Packing cases, Parquet flooring, Particleboard, Plain veneer, Plywood, Poles, Precision instruments, Shipbuilding, Structural plywood, Sub-flooring, Trimming, Utility plywood, Utility poles, Veneer, Wainscotting
Environmental Profile
| Status has not been officially assessed |
|
|
|
|
|
|
|
|
|
|
|
|
Distribution Overview
Reported to have a wide distribution in Southeast Asia, including Thailand, Laos, Vietnam, Cambodia and Indomalesia.
Heartwood Color
| Yellow |
|
|
|
|
|
|
|
|
|
|
|
|
| Orange |
|
|
|
|
|
|
|
|
|
|
|
|
| Green/grey |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Reddish brown |
|
|
|
|
|
|
|
|
|
|
|
|
| Red |
|
|
|
|
|
|
|
|
|
|
|
|
| Pinkish brown |
|
|
|
|
|
|
|
|
|
|
|
|
Sapwood Color
| Yellow |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| White to yellow |
|
|
|
|
|
|
|
|
|
|
|
|
| Light reddish yellow |
|
|
|
|
|
|
|
|
|
|
|
|
| Color not distinct from heartwood |
|
|
|
|
|
|
|
|
|
|
|
|
Grain
| Even |
|
|
|
|
|
|
|
|
|
|
|
|
| Straight |
|
|
|
|
|
|
|
|
|
|
|
|
| Interlocked |
|
|
|
|
|
|
|
|
|
|
|
|
| Occasionally interlocked, but not always |
|
|
|
|
|
|
|
|
|
|
|
|
| Generally straight, but not always |
|
|
|
|
|
|
|
|
|
|
|
|
Texture
| Medium |
|
|
|
|
|
|
|
|
|
|
|
|
| Fine |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Uneven |
|
|
|
|
|
|
|
|
|
|
|
|
| Medium to coarse |
|
|
|
|
|
|
|
|
|
|
|
|
Luster
Natural Durability
| Susceptible to insect attack |
|
|
|
|
|
|
|
|
|
|
|
|
| Perishable |
|
|
|
|
|
|
|
|
|
|
|
|
| Non-durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Moderately durable |
|
|
|
|
|
|
|
|
|
|
|
|
| Non-resistant to powder post beetles |
|
|
|
|
|
|
|
|
|
|
|
|
| Non-resistant to termites |
|
|
|
|
|
|
|
|
|
|
|
|
| Non-resistant to marine borers |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Very little natural resistance |
|
|
|
|
|
|
|
|
|
|
|
|
| Susceptible to termite attack |
|
|
|
|
|
|
|
|
|
|
|
|
| Sapwood susceptible to attack by powder post beetles |
|
|
|
|
|
|
|
|
|
|
|
|
Logs are susceptible to attack by pinhole borer and longhorn beetle.
Odor
| No characteristic taste |
|
|
|
|
|
|
|
|
|
|
|
|
| May have a slightly disagreeable smell when green |
|
|
|
|
|
|
|
|
|
|
|
|
Silica Content
Some species in the genus are siliceous
Drying Defects
There is a tendency for thin material to cup during air-drying. Close vertical stickers and weighting down stacks can eliminate or reduce cupping
Ease of Drying
| Rapidly |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Good drying characteristics |
|
|
|
|
|
|
|
|
|
|
|
|
| Dries at a fairly rapid rate |
|
|
|
|
|
|
|
|
|
|
|
|
Neesia timbers are reported to shrink slightly less than that of Durio
Kiln Drying Rate
Tree Size
| Tree height is 20-30 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Tree height is 10-20 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Tree height is 30-40 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Bole length is 0-10 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Bole length is 20-30 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Bole length is 10-20 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Tree height is 0-10 m |
|
|
|
|
|
|
|
|
|
|
|
|
| Bark width is 15-20 mm |
|
|
|
|
|
|
|
|
|
|
|
|
| Bark width is 10-15 mm |
|
|
|
|
|
|
|
|
|
|
|
|
| Bark width is 25-30 mm |
|
|
|
|
|
|
|
|
|
|
|
|
Can reach 54 m. in height
Cutting Resistance
| Easy to saw |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Low resistance |
|
|
|
|
|
|
|
|
|
|
|
|
Gluing
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Very good properties |
|
|
|
|
|
|
|
|
|
|
|
|
Nailing
| Fairly Easy to Very Easy |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Easy to nail |
|
|
|
|
|
|
|
|
|
|
|
|
Planing
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Planes to a smooth surface |
|
|
|
|
|
|
|
|
|
|
|
|
Wood produced by Neesia trees tends to pick up on quartersawn surfaces
Resistance to Impregnation
| Easily treated by pressure impregnation and open-tank processes |
|
|
|
|
|
|
|
|
|
|
|
|
Can be treated by cold soaking using preservative oils.
Response to Hand Tools
Turning
Polishing
| Very Good to Excellent Results |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair to Good Results |
|
|
|
|
|
|
|
|
|
|
|
|
| | | | | | | | | | | | |
| Requires a filler |
|
|
|
|
|
|
|
|
|
|
|
|
| Fair results |
|
|
|
|
|
|
|
|
|
|
|
|
Strength Properties
| Surfaces may dent or scratch easily |
|
|
|
|
|
|
|
|
|
|
|
|
| Max. crushing strength = low |
|
|
|
|
|
|
|
|
|
|
|
|
| High in density |
|
|
|
|
|
|
|
|
|
|
|
|
| Heavy |
|
|
|
|
|
|
|
|
|
|
|
|
| Compression strength (parallel to grain) = low |
|
|
|
|
|
|
|
|
|
|
|
|
| Bending strength (MOR) = medium |
|
|
|
|
|
|
|
|
|
|
|
|
Numerical Data
| Item | Green | Dry | English |
| | | |
| Bending Strength | 7511 | 9853 | psi |
| Crushing Strength | 394 | 488 | psi |
| Density | | 39 | lbs/ft3 |
| Hardness | | 666 | lbs |
| Maximum Crushing Strength | 3837 | 5094 | psi |
| Shearing Strength | | 1057 | psi |
| Static Bending | 4475 | 5699 | psi |
| Stiffness | 1365 | 1511 | 1000 psi |
| Work to Maximum Load | 6 | 9 | inch-lbs/in3 |
| Specific Gravity | 0.49 | | |
| Weight | 38 | 31. | lbs/ft3 |
| Radial Shrinkage | 4 | | % |
| Tangential Shrinkage | 7 | | % |
| Volumetric Shrinkage | 12 | | % |
| | | |
| Item | Green | Dry | Metric |
| | | |
| Bending Strength | 528 | 692 | kg/cm2 |
| Crushing Strength | 27 | 34 | kg/cm2 |
| Density | | 624 | kg/m3 |
| Hardness | | 302 | kg |
| Maximum Crushing Strength | 269 | 358 | kg/cm2 |
| Shearing Strength | | 74 | kg/cm2 |
| Static Bending | 314 | 400 | kg/cm2 |
| Stiffness | 95 | 106 | 1000 kg/cm2 |
| Work to Maximum Load | 0.42 | 0.63 | cm-kg/cm3 |
| Specific Gravity | 0.49 | | |
| Weight | 608 | 496. | kg/m3 |
| Radial Shrinkage | 4 | | % |
| Tangential Shrinkage | 7 | | % |
References
Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.
Desch, H. E. 1957. Manual of Malayan Timbers - Volume I. Malayan Forest Records, No. 15. Malaya Publishing House Ltd., Singapore.
Desch, H. E. 1957. Manual of Malayan Timbers. Malayan Forest Records, 28(30):315-318.
Keating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1
|
|