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Fornitori

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

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Ditta 4
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Ditta 3
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Ditta 2
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Ditta 1
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Ditta 0
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Elgon olive
Elgon olive (Olea welwitschii)

Family: Oleaceae

Common names: Elgon olive, Elgon teak, Gibengeyi, Loliondo, Mchihio, Murguiwet, Musodo, Musoko, Musuga, Mutukuyu, Muukuro, Muukuru, Omugando, Omusoke, Omusoko, Pekeriaondet

Common uses: Boat building (general), Cabinetmaking, Decks, Flooring, Flooring: commercial heavy traffic, Furniture, Heavy construction, Joinery, Light construction, Mine timbers, Musical instruments, Paneling, Piling, Poles, Railroad ties, Turnery, Vehicle parts

Environment profile: Vulnerable

Colors: the heart isWhite to cream, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isVariable figure, the textureUniformand the lusterLustrous

Natural durability: Resistant to attack from termites (Isoptera), Very durable

Odor: Has an odor

Silica Content: Siliceous

Kiln Schedules: UK=C US=T3C2/T3C1 Fr=3

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

Drying Defects: Slight surface checking, Splitting

Ease of Drying: Slowly

Tree Identification: Bole/stem form is cylindrical

Blunting Effect: High to severe

Boring: Fairly difficult to very difficult

Carving: Fairly Difficult to Very Difficult

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Mortising: Fairly Difficult to Very Difficult

Moulding: Good finishing

Movement in Service: Good finishing

Nailing: Easy to nail, Possible if prebored

Planing: Fairly Difficult to Very Difficult

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Easy to machine

Routing recessing: Fairly Difficult to Very Difficult

Sanding: Good sanding finish

Veneering qualities: Suitable for peeling, Suitable for slicing

Screwing: Possible if prebored ; Turning: Good results

Polishing: Satisfactory; Staining: Finish is generally satisfactory ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 753 kg/m3
Bending Strength 729 1134 kg/cm2
Crushing Strength 502 718 kg/cm2
Hardness 752 kg
Impact Strength 71 cm
Shearing Strength 155 kg/cm2
Stiffness 95 110 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 2 %
Weight 737 592 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 10376 16137 psi
Density 47 lbs/ft3
Hardness 1658 lbs
Impact Strength 28 inches
Maximum Crushing Strength 7140 10225 psi
Shearing Strength 2205 psi
Stiffness 1358 1568 1000 psi
Weight 46 37 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 4 %

Max. crushing strength = high 0
Hardness (side grain) = medium 1
Density (dry weight) = 46-52 lbs/cu. ft. 0
Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Bending strength (MOR) = medium
Bending strength (MOR) = high
Modulus of Elasticity (stiffness) = low
Toughness-Hammer drop (Impact Strength) = low
Shearing strength (parallel to grain) = medium
Bending strength (MOR) = low
Shrinkage, Tangential = small
Shrinkage, Tangential = moderate
Shrinkage, Radial = small
Shrinkage, Radial = large
Max. crushing strength = very high

Bois, P.J.,1966,The Strength Properties of Tanzania Timbers,Tanzania Forest Div. Util. Sec. Moshi Tech. Note, No.35Bolza, 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 2Bryce, J. and Kitambi, G.,1960,The Air-drying Properties of some Tanganyika Timbers Technical Note No 23,Tanganyika Forest Department Utilisation Division Technical NoteBryce, J.M.,1967,Commercial Timbers of Tanzania,Tanzanian Forestry Division Util. Sec. MoshiForest Products Research Laboratory, U.K.,1954,Hardwoods for Industrial Flooring,Forest Products Research Laboratory, Princes Risborough, Leaflet, No.48Forest Products Research Laboratory, U.K.,1957,Timbers for Flooring,Forest Products Research Laboratory, Princes Risborough, Bulletin, No.40Forest Products Research Laboratory, U.K.,1969,The Movement of Timbers,Forest Products Research Laboratory, Princes Risborough Technical Note,No.38Grant, D.K.S.,1934,Some Local Timbers,Tanzania Forest DepartmentJane, F.W.,1954,The Structure of World Timbers - Loliondo and Muhuhu,Timber Technology,62(2184, pp493-5Murira, K.,1984,Natural Durability Tests of Tanzanian Timbers 1955 - 1982,Tanzania Forestry Research Institute, Timber Utilisation Research Centre,,Moshi.Patterson, D.N.,1963,The strength of Kenya timbers, their derivation and application,Kenya Forestry Department Research Bulletin,No.23Tack, C.H.,1953,Plywood and veneer species,Forest Department, Uganda. Technical Note 5/1953Tack, C.H.,1969,Uganda Timbers,Govt. Printer UgandaTakahashi, 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 - Timber Marketing Co. Ltd.,1978,Timber from TanzaniaTanzania Forest Department,1960,The Natural Durability of Local Timbers,Tanzanian Forest Dept. Tech. Note,No.14Tanzania Forest Department,1966,Flooring Timbers,Tanzania Forest Div. Util. Sec. Moshi - Timbers of TanganyikaTanzania Forest Division,1965,Olea welwitschii (Loliondo,Tanzania Forest Div. Utll. Sec. Moshi - Timbers of TanganyikaTanzania Forest Division,1966,Kiln Drying Schedules for Tanzania Timbers Technical Note no.38,Tanzania Forest Div. Util. Sec. MoshiTanzania Forest Division,1967,The Weights and Shrinkage of some Local Timbers,Tanzania Forest Div. Util. Sect. Technical Note,No.25Timber Development Association Ltd.,1955,World Timbers (3 Vols.,Timber Development Association Ltd.Uganda Forest Department,1954,The Mechanical Properties of some Ugandan Timbers,Uganda Forest Department Timber Leaflet,No.1Uganda Forest Department,1955,Elgon Olive (Olea welwitschii,Uganda Forestry Department Timber Leaflet,No.23Uganda Forest Department,1969,The Shrinkage of Some Ugandan Timbers,Uganda Forestry Department Timber Leaflet,No.47Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya
*Come interpretare i dati (manleva su eventuali imprecisioni)