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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
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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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Nganga
Nganga (Parinari goetzeniana)

Family: Chrysobalanaceae

Common names: Nganga

Distributed in: South Africa (Africa)

Common uses: Agricultural implements, Flooring: commercial heavy traffic, Heavy construction, Joinery, Light construction, Mine timbers, Poles, Railroad ties

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isPurple, Redand the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureMediumand the lusterMedium

Natural durability: Susceptible to marine borer attack, Very durable

Silica Content: Severe

Kiln Schedules: Dry at a slow speed

Kiln Drying Rate: Very slow

Drying Defects: Slight twist/warp, Splitting

Ease of Drying: Variable

Tree Identification: Bole/stem form is cylindrical

Blunting Effect: Moderate

Boring: Fairly easy to very easy

Carving: Fairly Difficult to Very Difficult

Cutting Resistance: Gum-Up

Gluing: Fairly Easy to Very Easy

Mortising: Fairly Easy to Very Easy

Moulding: Very Good to Excellent

Movement in Service: Very Good to Excellent

Nailing: Pre-Boring Recommended, Very Good to Excellent

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood is permeable

Response to hand tools: Responds Readily

Routing recessing: Very Good to Excellent Results

Sanding: Very Good to Excellent Results

Veneering qualities: Veneers easily, Veneers moderately easy

Steam bending: Fair to Good Results

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

Polishing: Very Good to Excellent; Staining: Fairly Easy to Very Easy; Varnishing: Fairly Easy to Very Easy;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 913 kg/m3
Bending Strength 654 1024 kg/cm2
Crushing Strength 275 449 kg/cm2
Hardness 752 kg
Impact Strength cm
Shearing Strength 121 kg/cm2
Stiffness 102 118 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight 897 721 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 9310 14566 psi
Density 57 lbs/ft3
Hardness 1658 lbs
Maximum Crushing Strength 3916 6397 psi
Shearing Strength 1721 psi
Stiffness 1460 1686 1000 psi
Weight 56 45 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 5 %

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

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.48Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchBryce, J. and Kitambi, G.,1960,The Air-drying Properties of some Tanganyika Timbers Technical Note No 23,Tanganyika Forest Department Utilisation Division Technical NoteMurira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7
*Come interpretare i dati (manleva su eventuali imprecisioni)