Kauri (Agathis obtusa)
Family: Araucariaceae
Common names: Almaciga, Bindang, Dakua makadre, Damar minyak, Kauri, Kauri agathis, Kauri pine, Menghilan, Tolong
Distributed in: New Caledonia, Papua New Guinea (Oceania and S.E. Asia)
Distribution overview: Vanuatu
Common uses: Bobbins, Building materials, Core Stock, Decorative plywood, Decorative veneer, Domestic flooring, Excelsior, Figured veneer, Flooring, Interior construction, Interior trim, Joinery, Millwork, Moldings, Paneling , Parquet flooring, Picker sticks, Plain veneer, Plywood, Shade rollers, Shuttles, Specialty items, Spindles, Spools, Stencil & chisel blocks, Structural plywood, Sub-flooring, Sucker rods, Trimming, Umbrella handles , Utility plywood, Veneer, Wainscotting
Environment profile: Status has not been officially assessed
Tree size: Trunk diameter is 150-200 cm
The trees are capable of reaching a height of 200 feet (60 m)Trunk diameter can reach 3 m
Colors: the heart isYellow, Yellowish brownand the sapwoodWhite, Yellow.The grain isStraight, the textureUniformand the lusterOften lustrous
Natural durability: Susceptible to termite attack, Very little natural resistance
Odor: No specific smell or taste
Kiln Schedules: 10 - D5s (4/4) T8 - D4s (8/4) U
Ease of Drying: Reconditioning Treatement
Blunting Effect: Moderate
Boring: Satisfactory results
Carving: Fairly difficult to carve
Cutting Resistance: Easy to saw
Gluing: Fairly Easy to Very Easy
Mortising: good
Moulding: Very Good to Excellent
Movement in Service: Very Good to Excellent
Nailing: Holds nails well, Very Good to Excellent
Planing: Fairly Easy to Very Easy
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Responds Readily
Routing recessing: Routing is easy
Sanding: Fairly Easy to Very Easy
Screwing: Good screw holding properties, Good screwing properties; Turning: Very good
Painting: Little or no surface prep required; Polishing: Good; Staining: Good staining properties;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
 |
 |
 |
 |
| Item |
Green |
Dry |
Metric |
| Specific Gravity |
0,37 |
|
|
| Density |
|
512 |
kg/m3 |
| Bending Strength |
527 |
882 |
kg/cm2 |
| Crushing Strength |
235 |
422 |
kg/cm2 |
| Hardness |
|
348 |
kg |
| Impact Strength |
|
|
cm |
| Shearing Strength |
|
150 |
kg/cm2 |
| Stiffness |
98 |
118 |
1000 kg/cm2 |
| Tangential Shrinkage |
|
|
% |
| Radial Shrinkage |
|
|
% |
| Weight |
|
|
kg/m3 |
| Maximum Load |
|
|
cm-kg/cm3 |
| Toughness |
|
|
cm-kg |
| Static Bending |
|
|
kg/cm2 |
|
 |  |  |  | | Item | Green | Dry | English | | Bending Strength | 7500 | 12551 | psi | | Density | | 32 | lbs/ft3 | | Hardness | | 769 | lbs | | Maximum Crushing Strength | 3349 | 6010 | psi | | Shearing Strength | | 2136 | psi | | Stiffness | 1404 | 1679 | 1000 psi | | Specific Gravity | 0.37 | | | | Weight | 31 | 25. | lbs/ft3 | |
Weight = average Max. crushing strength = medium Hardness (side grain) = medium Density = high Compression strength (parallel to grain) = medium Bending strength (MOR) = high
Resists denting and marring about as well as white oak or birch
Boone, R.S., C.J. Kozlik, P.J. Bois, E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Hardwoods -Temperate and Tropical. USDA, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin.Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.
|