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Fornitori

Ditta 5
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 4
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 3
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 2
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 1
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 0
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

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Macaranga
Macaranga (Macaranga conglomerata)

Family: Euphorbiaceae

Common names: Macaranga, Mkumba, Muhaa

Distributed in: Tanzania (Africa)

Common uses: Boat building (general), Boxes and crates, Cabinetmaking, Furniture, Light construction, Matches, Musical instruments, Plywood corestock, Poles, Pulp/Paper products, Toys, Vats

Tree size: Tree height is 10-20 m

Colors: the heart isWhite, Yellowand the sapwoodWhite, Yellow.The grain isWavy, the textureMediumand the lusterMedium

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

Kiln Schedules: Dry at a slow speed

Kiln Drying Rate: Naturally dries quickly

Drying Defects: Slight surface checking, Slight twist/warp

Ease of Drying: Rapidly

Tree Identification: Bole/stem form is misshapen

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Nailing: Easy to nail, Holds nails well

Planing: Planes well, to a good finish

Resistance to Impregnation: Sapwood is permeable

Response to hand tools: Fairly Difficult to Difficult to Work

Veneering qualities: Moderately easy to veneer, Suitable for peeling

Turning: Fairly Easy to Very Easy

Polishing: Fair to Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 448 kg/m3
Bending Strength 429 674 kg/cm2
Crushing Strength 192 333 kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength 93 kg/cm2
Stiffness 71 84 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight 432 384 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 6111 9589 psi
Density 28 lbs/ft3
Maximum Crushing Strength 2731 4743 psi
Shearing Strength 1334 psi
Stiffness 1017 1199 1000 psi
Weight 27 24 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 7 %

Bending strength (MOR) = low
Shrinkage, Radial = small
Shearing strength (parallel to grain) = low
Modulus of Elasticity (stiffness) = very low
Max. crushing strength = low
Density (dry weight) = 31-37 lbs/cu. ft.
Density (dry weight) = 23-30 lbs/cu. ft.
Shrinkage, Tangential = small
Shrinkage, Tangential = moderate
Shrinkage, Tangential = fairly large
Shrinkage, Radial = moderate
Shearing strength (parallel to grain) = very low
Max. crushing strength = medium

Bolza, 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. 7Tanzania Forest Department,1960,The Natural Durability of Local Timbers,Tanzanian Forest Dept. Tech. Note,No.14
*Come interpretare i dati (manleva su eventuali imprecisioni)