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Ditta 5
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 4
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Ditta 1
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Ditta 0
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Fijian kauri
Fijian kauri (Agathis vitiensis)

Family: Araucariaceae

Common names: Dakua, Dakua makadre, Fiji kauri, Fijian kauri, Ndakua makandre

Distributed in: Fiji [Polynesia], Fiji (Oceania and S.E. Asia)

Distribution overview: A close relative of New Zealand Kauri (Agathis australis), the species grows in the Fiji islands.

Common uses: Balusters, Boat building (general), Boat building: decking, Boat building: masts, Boat building: planking, Boxes and crates, Brush backs & handles, Cabinetmaking, Carvings, Chemical containers, Coffins, Decks, Food containers, Furniture, Handles: general, Heavy construction, Joinery (external): ground contact, Joinery, Light construction, Matches, Model airplanes, Moldings, Musical instruments, Oars, Paneling , Paneling, Particleboard, Plywood, Pulp/Paper products, Sporting Goods, Tool handles, Toys, Turnery, Vats, Veneer, Veneer: decorative, Xylophones

Environment profile: Status has not been officially assessed

Tree size: Trunk diameter is 200-250 cm

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isWeak figure, the textureUniformand the lusterOften lustrous

Natural durability: Susceptible to insect attack, Susceptible to marine borer attack

Odor: No specific smell or taste

Kiln Schedules: T10 - D5s (4/4); T8 - D4s (8/4) US/T10 - D5s (4/4); T8 - D4s (8/4) US

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

Drying Defects: Distortion (twist/warp) is likely, Internal Honeycombing Possible

Ease of Drying: Stains easily

Tree Identification: Bole/stem form is not buttressed

Comments: Abnormal Wood Tissue

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

Boring: Moderately easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Low resistance to sawing

Gluing: Moderate gluing properties

Mortising: Very Good to Excellent

Moulding: Very Good to Excellent

Movement in Service: Very Good to Excellent

Nailing: Variable, from difficult to satisfactory, Very Good to Excellent

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood has low permeability

Resistance to Splitting: Poor

Response to hand tools: Responds well to hand tools

Routing recessing: Routing is easy

Sanding: Fairly Easy to Very Easy

Veneering qualities: Veneers easily, Veneers moderately easy

Steam bending: Moderate

Screwing: Very Good to Excellent Results, Very good screw holding qualities; Turning: Very Good to Excellent Results

Painting: Little or no surface prep required; Polishing: Very Good to Excellent; Staining: Very Good to Excellent; Varnishing: Satisfactory;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,37
Density 528 kg/m3
Bending Strength 524 895 kg/cm2
Crushing Strength 37 71 kg/cm2
Hardness 381 kg
Impact Strength 71 cm
Shearing Strength 125 kg/cm2
Stiffness 102 120 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 4 %
Weight 512 416 kg/m3
Maximum Load 0,84 1,19 cm-kg/cm3
Toughness 259 cm-kg
Static Bending 290 556 kg/cm2
Item Green Dry English
Bending Strength 7462 12743 psi
Crushing Strength 534 1024 psi
Density 33 lbs/ft3
Hardness 842 lbs
Impact Strength 28 inches
Maximum Crushing Strength 3868 6919 psi
Shearing Strength 1789 psi
Static Bending 4136 7918 psi
Stiffness 1457 1715 1000 psi
Toughness 225 inch-lbs
Work to Maximum Load 12 17 inch-lbs/in3
Specific Gravity 0.37
Weight 32 26 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 7 %

Density (dry weight) = 31-37 lbs/cu. ft. 0
Bending strength (MOR) = low 0
Shearing strength (parallel to grain) = low
Bending strength (MOR) = medium
Shrinkage, Tangential = moderate
Hardness (side grain) = soft
Shearing strength (parallel to grain) = medium
Hardness (side grain) = very soft
Shrinkage, Tangential = small
Shrinkage, Tangential = fairly large
Shearing strength (parallel to grain) = very low
Toughness (total work) = medium

Alston, A.S.,1966,Natural Heartwood Durability,Fiji Forestry Department, Suva. Fiji timbers and their uses No. 2Alston, A.S.,1982,Timbers of Fiji: Properties and potential uses,Fiji Forestry Department, SuvaBolza, E., Kloot, N.H.,1972,The Mechanical Properties of 56 Fijian Timbers,Australia C.S.I.R.O. Division of Forest Products Technological Paper,No.,62Boone, 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 SeriesBudgen, B.,1981,Shrinkage and density of some Australian and South-East Asian Timbers,C.S.I.R.O. Div. building Res. Tech Paper(2nd Series) No.38Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Dallimore, 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 GuineaFiji Department of Forestry,1969,A Summary of the Properties of 34 Indigenous Timbers,Fiji Forestry Department, Suva. Fiji timbers and their uses No.38Fiji Department of Forestry,1972,Guide to the use of local timbers,Fiji Forestry Department, Suva. Fiji timbers and their uses No.55Fiji Forestry Department,1966,The Properties and Potential uses of Dakua makadre (Agathis vitiensis) A,Summary of C.S.I.R.O. Investigations,Fiji Timbers and Their Uses No.8, Department of Forestry, Suva, FijiFiji Forestry Department,1967,The Properties and Potential Uses of Buabua (Fagraea gracilipes) A Summary,of C.S.I.R.O. Investigations,Fiji Timbers and their Uses No. 14, Department of Forestry, Suva, FijiFiji Forestry Department,1981,The Properties and Uses of 43 Indigenous and Exotic Timbers,Fiji Forestry Department, Fiji Timbers and their Uses No.71I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer CuttingKeating, 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,1Kloot, N. H. and E. Bolza.1961.Properties of Timbers Imported into Australia.Technological Paper No. 12.Division of Forest Products, Commonwealth Scientific & Industrial Research Organization, Melbourne, Australia.Kloot, N.H., Bolza, E.,1961,Properties of Timbers Imported into Australia,C.S.I.R.O. Forest Products Division Technological Paper,No.12Lavers, G.M.,1983,The Strength Properties of Timber (3rd ed. revised Moore G.L.,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Report (formerly Bulletin No.50)U.K. - Colonial Forest Resources Development Department,1939,British Colonial Timbers - Woods recommended for Various Uses,Colonial Forest Resources Development Department,London
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