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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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Hazondronono
Hazondronono (Carissa spp.)

Family: Apocynaceae

Common names: Hazondronono, Noemnoem, Num-num, Y-thorned carissa

Distributed in: Ghana, South Africa, Zimbabwe (Africa)

Common uses: Agricultural implements, Boat building (general), Flooring, Furniture, Heavy construction, Joinery, Millwork, Mine timbers, Railroad ties, Sporting Goods, Tool handles, Vehicle parts

Tree size: Trunk diameter is 250-300 cm

Colors: the heart isRed, Yellowand the sapwoodRed, Yellow.The grain isStraight, the textureFineand the lusterMedium

Natural durability: Resistant to powder post beetles, Susceptible to insect attack

Kiln Schedules: Dry at a slow speed

Cutting Resistance: Easy to saw

Gluing: Moderate gluing properties

Nailing: Difficult to nail

Planing: Easy to plane

Response to hand tools: Straight


Polishing: Satisfactory;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density kg/m3
Bending Strength 954 1473 kg/cm2
Crushing Strength 595 827 kg/cm2
Hardness 1333 kg
Impact Strength cm
Shearing Strength 62 kg/cm2
Stiffness 152 175 1000 kg/cm2
Tangential Shrinkage 10 %
Radial Shrinkage 6 %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 13576 20956 psi
Hardness 2940 lbs
Maximum Crushing Strength 8467 11767 psi
Shearing Strength 882 psi
Stiffness 2167 2494 1000 psi
Radial Shrinkage 6 %
Tangential Shrinkage 10 %
Volumetric Shrinkage 14 %

Shrinkage, Radial = large
Shrinkage, Volumetric = large
Hardness (side grain) = very hard
Bending strength (MOR) = high
Shrinkage, Radial = fairly large
Shearing strength (parallel to grain) = very low
Modulus of Elasticity (stiffness) = high
Max. crushing strength = very high
Max. crushing strength = high

Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchGueneau, P., Gueneau, D.,1969,Proprietes Physiques et Mecaniques des Bois Malagaches,CTFT MadagascarPalgrave, K.C.,1977,Trees of Southern Africa,Cape Town South AfricaSallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.T
*Come interpretare i dati (manleva su eventuali imprecisioni)