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Fornitori

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

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

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Ditta 3
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 2
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 1
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 0
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Dina
Dina (Dialium spp.)

Family: Leguminosae

Common names: Dina, Eyoum, Ikom, Indziba, Keranji, Medzire, Mfang, N'tiele, Omurong, Ziba

Distributed in: Angola, Cameroon, China, Congo, Gabon, Indonesia, Malaysia, Mozambique, Nigeria, Thailand, Uganda (Africa, Oceania and S.E. Asia)

Common uses: Boat building (general), Charcoal, Flooring, Fuelwood, Heavy construction, Joinery, Light construction, Millwork, Paneling, Railroad ties, Tool handles

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isReddish brown, Yellow to golden-yellow to orangeand the sapwoodClearly differentiated from the heartwood, White to yellow.The grain isWavy, the textureMedium to coarseand the lusterMedium

Natural durability: Susceptible to insect attack, Very durable

Kiln Schedules: UK=E US=T6D2/T3D1 Fr=5

Drying Defects: Moderate surface checking, Splitting

Ease of Drying: Difficult

Tree Identification: Bole/stem form is cylindrical

Blunting Effect: High to severe

Boring: Moderately easy

Cutting Resistance: Cutting Resistance with dry wood is difficult

Gluing: Difficult to glue

Nailing: Easy to nail

Planing: Planing is rated as moderate

Resistance to Impregnation: Permeable sapwood

Response to hand tools: Fairly Difficult to Difficult to Work

Turning: Good results

Polishing: Satisfactory;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 913 kg/m3
Bending Strength 1249 1807 kg/cm2
Crushing Strength 579 809 kg/cm2
Hardness 1086 kg
Impact Strength cm
Shearing Strength 97 kg/cm2
Stiffness 150 174 1000 kg/cm2
Tangential Shrinkage 8 %
Radial Shrinkage 4 %
Weight 897 785 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 17765 25707 psi
Density 57 lbs/ft3
Hardness 2396 lbs
Maximum Crushing Strength 8243 11507 psi
Shearing Strength 1391 psi
Stiffness 2141 2478 1000 psi
Weight 56 49 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 8 %
Volumetric Shrinkage 12 %

Max. crushing strength = high
Bending strength (MOR) = very high
Shearing strength (parallel to grain) = low
Hardness (side grain) = very hard
Bending strength (MOR) = high
Modulus of Elasticity (stiffness) = very high
Hardness (side grain) = medium
Hardness (side grain) = hard
Shearing strength (parallel to grain) = very low
Max. crushing strength = very high
Density (dry weight) =53-60 lbs/cu. ft.
Density (dry weight) = 75+ lbs/cu. ft.
Density (dry weight) = 67-75 lbs/cu. ft.
Density (dry weight) = 61-67 lbs/cu. ft

Banks, C.H. and J.P. Schoeman. 1963. Railway Sleeper and Crossing Timbers. Bulletin No. 41, Republic of South Africa. The Government Printer, Pretoria, South Africa.Banks, C.H., Schoeman, J.P., Otto, K.P.,1977,The Mechanical Properties of Timbers with particular reference to South,Africa,South African Forestry Research Institute Bulletin,(Ed.,Schoeman, J.P. 1973 & Otto K.P. 1976,No.48Ferreirinha, M.P.,1955,Catalogo des Madeiras de Mocambique (pt 1,Min. do Ultramar Junta Invest. do Ultranar Memorias Serie Botanica, 2Hughes, J.F.,1971,The Principal Timber Trees of Cameroon,Unpublished dataIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonMalaysian Timber Industry Board,1986,100 Malaysian Timbers,The Malaysian Timber Industry BoardPettroff, O., et al,1971,Caracteristiques papetieres d'une foret tropicale heterogene la zone,forestiere d'edea au Cameroun,C.T.F.T.,FranceSallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TSallenave, P.,1964,Proprietes Physiques et Mecaniques des Bois Tropicaux (Premier Supplement,C.T.F.T. Publ.,no.23Sallenave, P.,1971,Proprietes Physiques et Mecaniques des Bois Tropicaux (Deuxieme,Supplement,C.T.F.T.Sekhar, A.C.,1955,The Physical and Mechanical Properties of Woods,Indian Forest Records (ns Timber Mechanics,1(3,pp69-72Whitmore, T.C. (Ed.,1972,Tree Flora of Malaya A Manual for Foresters Volume 1,Forest Department Ministry of Agriculture and Lands Malaysia
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