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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 2
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Ditta 1
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Ditta 0
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New Guinea walnut
New Guinea walnut (Dracontomelum mangiferum)

Family:

Common names: New Guinea walnut, Senai, Senkuang

Distributed in: Indonesia, Malaysia, Papua New Guinea, Philippines (Oceania and S.E. Asia)

Distribution overview: Very limited quantities in Northern Queensland in Australia but spread throughout Papua New Guinea and other parts of South East Asia. A large tree that can attain 50m (170ft).

Common uses: Bedroom suites, Boat building, Cabinetmaking, Canoes, Chairs, Chests, Concealed parts (Furniture), Core Stock, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Drum sticks, Excelsior, Factory flooring, Figured veneer, Fine furniture, Floor lamps, Flooring, Furniture , Furniture components, Furniture squares or stock, Hatracks, Joinery, Kitchen cabinets, Lifeboats, Living-room suites, Musical instruments , Office furniture, Organ pipes, Parquet flooring, Piano keys, Pianos , Plywood, Pulpwood, Shipbuilding, Veneer

Environment profile: Status unknown due to inadequate information

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isPink, Redand the sapwoodWide, Yellow.The grain isWavy, the textureMediumand the lusterLustrous

Natural durability: Perishable, Susceptible to attack by marine borers

Odor: No specific smell or taste

Silica Content: Siliceous

Drying Defects: Rapid drying may cause distortion and checking, Thinner stock may warp

Ease of Drying: Rapidly

Comments: New Guinea Walnut is not a true walnut

Blunting Effect: Medium dulling effect on cutting edges

Boring: Fair to good results

Carving: Fair to Good Results

Cutting Resistance: Easy to saw

Gluing: Very Good to Excellent Results

Mortising: Fair to Good

Moulding: Fair to Good

Movement in Service: Fair to Good

Nailing: Fairly Easy to Very Easy, Good nailing characteristics

Planing: Very Good to Excellent

Resistance to Impregnation: Resistant to preservative treatment

Routing recessing: Fair to Good Results

Steam bending: Moderate

Screwing: Good screwing properties ; Turning: Fairly Easy to Very Easy

Polishing: Surface Preparation; Staining: Satisfactory staining properties ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,66
Density 721 kg/m3
Bending Strength 587 813 kg/cm2
Crushing Strength 42 73 kg/cm2
Hardness 371 kg
Impact Strength cm
Shearing Strength 109 kg/cm2
Stiffness 96 114 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 4 %
Weight 705 576 kg/m3
Maximum Load cm-kg/cm3
Toughness 95 cm-kg
Static Bending 374 542 kg/cm2
Item Green Dry English
Bending Strength 8350 11564 psi
Crushing Strength 608 1049 psi
Density 45 lbs/ft3
Hardness 818 lbs
Maximum Crushing Strength 4214 6566 psi
Shearing Strength 1558 psi
Static Bending 5321 7722 psi
Stiffness 1372 1627 1000 psi
Toughness 83 inch-lbs
Specific Gravity 0.66
Weight 44 36. lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 7 %


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, Australia.Desch, H. E. 1957. Manual of Malayan Timbers - Volume I. Malayan Forest Records, No. 15. Malaya Publishing House Ltd., Singapore.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,1Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc., Fresno, California.
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