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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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Tel.: +39 456 5664 54

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Ditta 0
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Chyoo
Chyoo (Markhamia hildebrandtii)

Family: Bignoniaceae

Common names: Chyoo, Mho, Mogu, Muho, Mungwani, Muu

Distributed in: Kenya (Africa)

Common uses: Agricultural implements, Boat building (general), Boxes and crates, Cabinetmaking, Furniture, Handles: general, Heavy construction, Joinery, Ladders, Matches, Piling, Plywood corestock, Plywood, Pulp/Paper products, Sporting Goods, Toys, Turnery, Vehicle parts, Veneer

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isRed, Yellow to golden-yellow to orangeand the sapwoodBrown, Same as heartwood.The grain isStraight, the textureMediumand the lusterMedium

Natural durability: Susceptible to insect attack, Susceptible to marine borer attack

Drying Defects: Moderate surface checking, Moderate twist/warp

Ease of Drying: Moderately Difficult to Difficult

Tree Identification: Bole/stem form is not buttressed

Boring: Fairly easy to very easy

Cutting Resistance: Moderate to saw

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Pre-Boring Recommended, Very Good to Excellent

Planing: Poor to Very Poor

Resistance to Impregnation: Resistant sapwood

Resistance to Splitting: Poor

Response to hand tools: Moderate working qualities

Veneering qualities: Suitable for peeling, Suitable for slicing

Screwing: Pre-boring recommended, Very Good to Excellent Results; Turning: Poor to Very Poor Results

Painting: Good; Varnishing: Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 576 kg/m3
Bending Strength 654 1024 kg/cm2
Crushing Strength 275 449 kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength 132 kg/cm2
Stiffness 117 135 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 560 448 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 9310 14566 psi
Density 36 lbs/ft3
Maximum Crushing Strength 3916 6397 psi
Shearing Strength 1883 psi
Stiffness 1665 1923 1000 psi
Weight 35 28 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 9 %

Density (dry weight) = 38-45 lbs/cu. ft.
Density (dry weight) = 31-37 lbs/cu. ft.
Shrinkage, Radial = fairly large
Modulus of Elasticity (stiffness) = medium
Max. crushing strength = medium
Bending strength (MOR) = medium
Shrinkage, Tangential = large
Shrinkage, Tangential = fairly large
Shrinkage, Radial = moderate
Shrinkage, Radial = large
Shearing strength (parallel to grain) = medium
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 LondonWimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
*Come interpretare i dati (manleva su eventuali imprecisioni)