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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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Bankhu
Bankhu (Odyendea zimmermannii)

Family: Simaroubaceae

Common names: Bankhu, Mbanko, Shamba

Distributed in: Kenya, Tanzania (Africa)

Common uses: Boxes and crates, Food containers, Light construction, Particleboard, Plywood corestock, Plywood, Pulp/Paper products, Toys, Veneer

Tree size: Tree height is 10-20 m

Colors: the heart isWhite to cream, Yellow to golden-yellow to orangeand the sapwoodSame as heartwood, White.The grain isOther figure, the textureCoarse

Natural durability: Susceptible to attack from termites (Isoptera), Susceptible to marine borer attack

Kiln Schedules: Drying (speed) is fast

Kiln Drying Rate: Naturally dries quickly

Drying Defects: Severe twisting/warping, Slight surface checking

Ease of Drying: Rapidly

Tree Identification: Bole/stem form is straight

Boring: Fairly easy to very easy

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Nailing: Easy to nail, Fairly Easy to Very Easy

Planing: Fairly Easy to Very Easy

Resistance to Impregnation: Sapwood is permeable

Resistance to Splitting: Good

Veneering qualities: Easy to cut, Suitable for peeling

Turning: Poor to Very Poor Results

Polishing: Fair to Good; Staining: Fair to Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 384 kg/m3
Bending Strength 345 534 kg/cm2
Crushing Strength 150 275 kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength 85 kg/cm2
Stiffness 71 84 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight 384 320 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 4911 7600 psi
Density 24 lbs/ft3
Maximum Crushing Strength 2139 3916 psi
Shearing Strength 1221 psi
Stiffness 1017 1199 1000 psi
Weight 24 20 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 7 %

Density (dry weight) = 23-30 lbs/cu. ft.
Shrinkage, Radial = small
Modulus of Elasticity (stiffness) = very low
Max. crushing strength = low
Shrinkage, Tangential = small
Shrinkage, Tangential = moderate
Density (dry weight) = 15-22 lbs/cu. ft.
Bending strength (MOR) = low
Shrinkage, Tangential = fairly large
Shrinkage, Radial = very small
Shrinkage, Radial = moderate
Shearing strength (parallel to grain) = very low
Shearing strength (parallel to grain) = low
Bending strength (MOR) = very 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 ResearchChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Dale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards LondonMurira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Tanzania Forestry Department,1962,Timbers of Tanganyika - Odyendea zimmermannii,Tanzania Forestry Department, Utilisation Section, Moshi - Timbers of,Tanganyika
*Come interpretare i dati (manleva su eventuali imprecisioni)