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Fornitori

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

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

Sito web: www.pippo.it
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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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Mbarika
Mbarika (Isoberlinia schef fleri)

Family: Caesalpiniaceae

Common names: Mbarika

Distributed in: Tanzania (Africa)

Common uses: Boxes and crates, Flooring, Flooring: commercial heavy traffic, Flooring: industrial heavy traffic, Handles: general, Heavy construction, Ladders, Light construction, Piling, Plywood corestock, Railroad ties, Toys

Tree size: Trunk diameter is 200-250 cm

Colors: the heart isRed, Reddish brownand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureMediumand the lusterMedium

Natural durability: Susceptible to marine borer attack, Very durable

Kiln Schedules: Kiln Drying Rate (in days) is fairly rapid

Kiln Drying Rate: Fairly rapid (11-17 days for boards under 32 mm, to 31-51 days for boards greater than 63 mm)

Drying Defects: No surface checking, Slight end splitting

Ease of Drying: Reconditioning Treatement

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good

Boring: Easy

Cutting Resistance: Easy to saw

Gluing: Fairly Easy to Very Easy

Moulding: Good finishing

Movement in Service: Good finishing

Nailing: Possible if prebored, Very Good to Excellent

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood is moderately resistant

Response to hand tools: Responds Readily

Steam bending: Fair to Good Results

Screwing: Fair to Good Results, Very Good to Excellent Results;

Polishing: Satisfactory; 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 753 kg/m3
Bending Strength 654 1024 kg/cm2
Crushing Strength 401 599 kg/cm2
Hardness 752 kg
Impact Strength cm
Shearing Strength 121 kg/cm2
Stiffness 117 135 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight 737 592 kg/m3
Maximum Load 0,63 0,84 cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 9310 14566 psi
Density 47 lbs/ft3
Hardness 1658 lbs
Maximum Crushing Strength 5706 8526 psi
Shearing Strength 1721 psi
Stiffness 1665 1923 1000 psi
Work to Maximum Load 9 12 inch-lbs/in3
Weight 46 37 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 8 %

Density (dry weight) = 46-52 lbs/cu. ft.
Shrinkage, Radial = small
Bending strength (MOR) = medium
Shrinkage, Tangential = fairly large
Modulus of Elasticity (stiffness) = medium
Shearing strength (parallel to grain) = low
Max. crushing strength = high
Shrinkage, Radial = moderate
Max. crushing strength = medium
Hardness (side grain) = medium
Work to Maximum Load = low
Shrinkage, Tangential = small
Shrinkage, Tangential = moderate
Shrinkage, Tangential = large
Shearing strength (parallel to grain) = 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 ResearchChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Murira, 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 Division,1966,Kiln Drying Schedules for Tanzania Timbers Technical Note no.38,Tanzania Forest Div. Util. Sec. MoshiTanzania Forestry Department,1963,Timbers of Tanganyika - Isoberlinia scheffleri,Tanzania Forestry Department, Utilisation Section, Moshi - Timbers of,Tanganyika
*Come interpretare i dati (manleva su eventuali imprecisioni)