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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
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Ditta 2
Indirizzo: via dei platani 4 liguria
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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
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Kidongadwa
Kidongadwa (Rapanea rhododendroides)

Family: Myrsinaceae

Common names: Kidongadwa, Kirjasi, Kititet, Kwarabariet, Mraso, Mshinwizo, Mugaita, Mugeta, Mumangombe, Mungala, Musongonyonye, Muthitha, Mwaja, Ol angabova, Sitoto, Sitotuet

Distributed in: Kenya, Tanzania, Uganda (Africa)

Distribution overview: The genus Rapanea consists of a large number of species, and is distributed in tropical America, Africa, and Asia. R. melanophloeos occurs in Cameroon and in the mountains of central, eastern and southern Africa. In South Africa, the species occurs from the Cape through all the forest districts of the Transvaal

Common uses: Agricultural implements, Cabinetmaking, Flooring: industrial heavy traffic, Furniture, Handles: general, Heavy construction, Joinery, Ladders, Paneling, Plywood, Railroad ties, Tool handles, Toys, Turnery, Veneer

Tree size: Tree height is 10-20 m

Colors: the heart isWhite to cream, Yellowand the sapwoodColor not distinct from heartwood, White.The grain isStraight, the textureFineand the lusterPronounced

Natural durability: Perishable, Susceptible to attack from powder post (Lyctid & Bostrychid) beetles

Drying Defects: Moderate end spitting, Moderate twist/warp

Ease of Drying: Reconditioning Treatement

Tree Identification: Bole/stem form is straight

Blunting Effect: Little

Boring: Poor to very poor results

Carving: Poor to Very Poor Results

Cutting Resistance: Easy to saw

Gluing: Easy to glue

Mortising: Poor to Very Poor

Moulding: Poor to Very Poor

Movement in Service: Poor to Very Poor

Nailing: Difficult to nail

Planing: Poor to Very Poor

Routing recessing: Poor to Very Poor Results

Sanding: Fairly Difficult to Very Difficult

Turning: Poor to Very Poor Results

Polishing: Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 849 kg/m3
Bending Strength 654 1024 kg/cm2
Crushing Strength 380 574 kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength 139 kg/cm2
Stiffness 117 135 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 833 673 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 9310 14566 psi
Density 53 lbs/ft3
Maximum Crushing Strength 5408 8171 psi
Shearing Strength 1989 psi
Stiffness 1665 1923 1000 psi
Weight 52 42 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 8 %

Density (dry weight) = 53-60 lbs/cu. ft
Shearing strength (parallel to grain) = medium
Modulus of Elasticity (stiffness) = medium
Max. crushing strength = medium
Max. crushing strength = high
Density (dry weight) = 46-52 lbs/cu. ft.
Bending strength (MOR) = medium
Shrinkage, Tangential = moderate
Shrinkage, Tangential = large
Shrinkage, Tangential = fairly large
Shrinkage, Radial = moderate
Shrinkage, Radial = large
Shrinkage, Radial = fairly large
Shearing strength (parallel to grain) = low

Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchDale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards LondonEggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaMurira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Patterson, D.N.,1963,The strength of Kenya timbers, their derivation and application,Kenya Forestry Department Research Bulletin,No.23Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
*Come interpretare i dati (manleva su eventuali imprecisioni)