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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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Nieshout (Ptaeroxylon obliquum)

Family: Sapindaceae

Common names: Nieshout, O paco, Paco, Sneezewood, Umbengawahonye, Umnembu, Umpahla, Umpandula, Umtati

Distributed in: South Africa, Zimbabwe (Africa)

Common uses: Agricultural implements, Cabinetmaking, Carvings, Flooring, Flooring: industrial heavy traffic, Furniture, Handles: general, Heavy construction, Ladders, Mathematical instruments, Musical instruments, Piling, Posts, Sporting Goods, Tool handles, Toys, Turnery, Vats, Vehicle parts

Tree size: Sapwood width is 5-10 cm

Colors: the heart isReddish brown, Yellow to golden-yellow to orangeand the sapwoodWell defined, White to yellow.The grain isWavy, the textureFineand the lusterMedium

Natural durability: Susceptible to insect attack, Very durable

Kiln Schedules: UK=A US=T2D4/T2D3 Fr=1

Kiln Drying Rate: Slow (18-28 days for boards < 32 mm, to 52-84 days for boards >= 63 mm)

Drying Defects: Moderate surface checking

Ease of Drying: Easy

Tree Identification: Bole/stem form is straight

Cutting Resistance: Cutting Resistance with green wood is easy

Gluing: Gluing is often difficult

Nailing: Possible if prebored

Planing: Planes well, to a good finish

Resistance to Impregnation: Heartwood is extremely resistant

Response to hand tools: Easy to Work

Screwing: Possible if prebored ; Turning: Fairly Easy to Very Easy

Varnishing: Satisfactory ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 961 kg/m3
Bending Strength 954 1473 kg/cm2
Crushing Strength 595 827 kg/cm2
Hardness 1333 kg
Impact Strength cm
Shearing Strength 215 kg/cm2
Stiffness 152 175 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 2 %
Weight 945 753 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 13576 20956 psi
Density 60 lbs/ft3
Hardness 2940 lbs
Maximum Crushing Strength 8467 11767 psi
Shearing Strength 3072 psi
Stiffness 2167 2494 1000 psi
Weight 59 47 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 5 %

Density (dry weight) = 61-67 lbs/cu. ft 0
Density (dry weight) = 53-60 lbs/cu. ft
Bending strength (MOR) = high
Modulus of Elasticity (stiffness) = high
Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Shearing strength (parallel to grain) = very high
Max. crushing strength = very high
Max. crushing strength = high
Hardness (side grain) = very hard
Shrinkage, Tangential = small
Shrinkage, Radial = small
Shearing strength (parallel to grain) = high

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.48Banks, C.H.,1954,The Mechanical Properties of Timbers with Particular Reference to those,grown in the Union of South Africa,Journal of the South African Forestry Association,No. 24 pp.44-65,[South,African Forestry Journal]Banks, C.H.,1970,The Durability of South African Wood and Wood Base Building Materials,South African Forestry Journal,No.75Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchBrenan, J.P.M., Greenway, P.J.,1949,Check-lists of the Forest Trees and Shrubs of the British Empire,Imperial Forestry Institute, Oxford No.5 Tanganyika Territories Part 2Chalk, L. et al.,1935,Fifteen South African High Forest Timber Trees,Forest Trees and Timbers of the British Empire, Imperial Forestry,Institute, Oxford,Part 3Goldsmith, B., Carter, D.T.,1981,The Indigenous Timbers of Zimbabwe,Forestry Commission, Zimbabwe Research Bulletin No.9Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical PressScott, M.H.,1953,Utilisation Notes on South African Timbers,South African Forestry Department Bulletin No.36Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Titmuss, F.H.,1965,Commercial Timbers of the World,Technical Press Ltd., London, 3rd editionWood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13
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