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Kauri pineKauri pine
Kauri pine (Agathis robusta)

Family: Araucariaceae

Common names: Agathis, Almaciga, Bindang, Dakua makadre, Damar minyak, Dammara pine, Dundatha pine, Kauri, Kauri pine, Menghilan, Queensland kauri, Queensland kauri pine, South Queensland kauri, Tolong

Distributed in: Australia, Brunei, Cambodia, China, Fiji, India, Indonesia, Laos, Malaysia, Myanmar, New Zealand, Papua New Guinea, Philippines, South Africa, Thailand, Vietnam (Africa, Oceania and S.E. Asia)

Common uses: Agricultural implements, Boat building (general), Bobbins, Boxes and crates, Building materials, Cabinetmaking, Carvings, Core Stock, Decorative plywood, Decorative veneer, Domestic flooring, Excelsior, Figured veneer, Flooring, Food containers, Furniture, Interior construction, Interior trim, Joinery, Light construction, Matches, Mathematical instruments, Millwork, Moldings, Musical instruments, Paneling , Paneling, Parquet flooring, Picker sticks, Plain veneer, Plywood, Pulp/Paper products, Shade rollers, Shuttles, Specialty items, Spindles, Spools, Sporting Goods, Stencil & chisel blocks, Sub-flooring, Sucker rods, Tables, Toys, Trimming, Turnery, Umbrella handles , Vats, Veneer, Wainscotting

Environment profile: Status has not been officially assessed

Tree size: Trunk diameter is 300-350 cm

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite, Yellow.The grain isStraight, the textureUniformand the lusterMedium

Natural durability: Susceptible to marine borer attack, Very little natural resistance

Odor: No specific smell or taste

Kiln Schedules: Uk=J US=T10D5S/T8D4S Fr=4

Kiln Drying Rate: Rapid (<10 days for boards < 32 mm, to <30 days for boards >= 63 mm)

Drying Defects: Distortion, Internal Honeycombing Possible

Ease of Drying: Slowly

Tree Identification: Plantation-grown variety tends to grow straighter.

Comments: General finishing qualities are rated as good May include compression wood which can cause excessive longitudinal shrinkage and distortion

Blunting Effect: There is some significant blunting effect on cutting tools

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Low resistance to sawing

Gluing: Very Good to Excellent Results

Mortising: Support material during mortising to prevent break out.

Moulding: Good moulding properties

Movement in Service: Good moulding properties

Nailing: Holds satisfactorily, Very Good to Excellent

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood has low permeability

Response to hand tools: Responds Readily

Routing recessing: Routing is easy

Sanding: Fairly Easy to Very Easy

Steam bending: Moderate

Screwing: Fair to Good Results, Screwing yields satisfactory results; Turning: Fairly Difficult to Very Difficult

Painting: Very Good to Excellent; Polishing: Very Good to Excellent; Staining: Very Good to Excellent; Varnishing: Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,37
Density 512 kg/m3
Bending Strength 544 900 kg/cm2
Crushing Strength 226 406 kg/cm2
Hardness 329 kg
Impact Strength cm
Shearing Strength 115 kg/cm2
Stiffness 86 105 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 2 %
Weight 496 400 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 7741 12807 psi
Density 32 lbs/ft3
Hardness 727 lbs
Maximum Crushing Strength 3227 5785 psi
Shearing Strength 1642 psi
Stiffness 1230 1500 1000 psi
Specific Gravity 0.37
Weight 31 25 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 4 %

Density (dry weight) = 31-37 lbs/cu. ft.
Max. crushing strength = low
Density (dry weight) = 23-30 lbs/cu. ft.
Bending strength (MOR) = low
Shrinkage, Tangential = small
Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Shrinkage, Radial = small
Modulus of Elasticity (stiffness) = very low
Modulus of Elasticity (stiffness) = low

Audas, J.W.,Native Trees of Australia,Whitcombe & Tombs PTY. LtdAustralia - Forestry and Timber Bureau,1957,Forest Trees of Australia,Australia Interior Department, Forestry and Timber BureauBoas, I.H.,1947,The Commercial Timbers of Australia - Their Properties and Uses,Council for Scientific and Industrial Research, MelbourneBoone, 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.Brown, W.H.,1978,Timbers of the World, No. 8 Australasia,TRADA, Red Booklet SeriesChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Clifford, N.,1957,Timber Identification for the Builder and Architect,Leonard Hill (Books) LTD. LondonDadswell, H.E., Eckersley, A.M.,1935,The Identification of the Principal Commercial Australian Timbers other,than eucalyptus,Australian C.S.I.R.O. Bulletin NO.90Dallimore, W. and Jackson, A. Bruce,1966,A Handbook of Coniferae and Ginkgoaceae Fourth Ed. Revised by S.G.,Harrison,Edward Arnold (Publishers) Ltd. LondonEddowes, P. J. 1961. Commercial Timbers of Papua New Guinea:Their Properties and Uses. Office of Forests, Papua New GuineaForest Products Research Laboratory U.K.,1957,A Handbook of Softwoods,Department of Scientific and Industrial Research Forest Products Research,HMSOFrancis, W.D.,1951,Australian Rain-forest Trees,Commonwealth of Australia - Forestry and Timber BureauFundter, J.M.,1982,Names for Dipterocarp timbers and trees from Asia,Pudoc, Wageningen, NetherlandsGuyana - Forest Department,1951,British Guiana Timbers - Yellow Silverballi,British Guiana Forestry Department Leaflet No. 13Hall, N., Et al,1972,The use of trees and shrubs in the dry country of Australia,Australian Government, Department of National Development, Forest and,Timber Bureau, CanberraHoward, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.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,1Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical PressTitmuss, F.H.,1965,Commercial Timbers of the World,Technical Press Ltd., London, 3rd edition
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