Wood inspector

Sei in: home » database dei legni
  • Decrease font size
  • Default character size
  • Encrease font size


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: 

Contatti

database dei legni


Ask informationsPrint pageSend to a friend
Kamassi boxwood
Kamassi boxwood (Gonioma kamassi)

Family: Apocynaceae

Common names: African boxwood, Boxwood, Cape boxwood, East London boxwood, Kamassi, Kamassi boxwood, Kamassie, Kamassihout, Knysna, Knysna boxwood

Distributed in: South Africa, Swaziland (Africa)

Distribution overview: Confined mainly to the midland coastal districts of South Africa.

Common uses: Agricultural implements, Boat building (general), Carvings, Engraving, Flooring, Food containers, Furniture, Handles, Joinery, Mathematical instruments, Millwork, Musical instruments, Precision instruments, Shade rollers, Shafts/Handles, Shuttles, Sills, Specialty items, Sporting Goods, Textile equipment, Tool handles, Turnery, Vats, Vehicle parts

Product sources: The timber is exported from South Africa in small quantities at a regular rate. It is usually shipped in squared billets cut to small sizes for manufacture.

Environment profile: Status unsure as a result of insufficient information

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isYellow to golden-yellow to orange, Yellowish brownand the sapwoodWhite, Yellow.The grain isWeak figure, the textureVery fineand the lusterMedium

Natural durability: Sapwood is susceptible to wood staining fungal attack, Susceptible to insect attack

Odor: No specific smell or taste

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

Kiln Drying Rate: Slow

Drying Defects: Severe surface checking, Splitting

Ease of Drying: Slowly

Comments: General finishing qualities are rated as good

Blunting Effect: Medium effect

Boring: Very good to excellent results

Carving: Works well with hand tools

Cutting Resistance: Moderate to saw

Gluing: Fairly difficult to glue

Mortising: Very Good to Excellent

Moulding: Wood has tendency to ride on cutters

Movement in Service: Wood has tendency to ride on cutters

Nailing: Tends to split during nailing, Very Good to Excellent

Planing: Very Good to Excellent

Resistance to Impregnation: Resistant sapwood

Resistance to Splitting: Very Poor

Response to hand tools: Responds Readily

Routing recessing: Good in both routing and recessing.

Sanding: Sanding finish is excellent

Veneering qualities: Veneers easily, Veneers moderately easy

Steam bending: Fair to Good Results

Screwing: Possible if prebored, Screwing yields good results; Turning: Very Good to Excellent Results

Polishing: Very Good to Excellent; Staining: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,67 0,85
Density 913 kg/m3
Bending Strength 954 1488 kg/cm2
Crushing Strength 485 726 kg/cm2
Hardness 1203 kg
Impact Strength cm
Shearing Strength 167 kg/cm2
Stiffness 152 178 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 881 705 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending 783 kg/cm2
Item Green Dry English
Bending Strength 13576 21177 psi
Density 57 lbs/ft3
Hardness 2653 lbs
Maximum Crushing Strength 6899 10339 psi
Shearing Strength 2385 psi
Static Bending 11143 psi
Stiffness 2167 2544 1000 psi
Specific Gravity 0.67 0.85
Weight 55 44 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 8 %

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

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]Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchBolza, E.,1976,Timber and Health,Div. Building Res. C.S.I.R.O. AustraliaChalk, L. et al.,1935,Fifteen South African High Forest Timber Trees,Forest Trees and Timbers of the British Empire, Imperial Forestry,Institute, Oxford,Part 3Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Cox, H.A.,1939,A Handbook of Empire Timbers,Forest Products Research Laboratory, Princes RisboroughDesch, H.E.,1948,The Boxwoods,Wood,13(5,pp130-1Farmer, R.H.,1972,Handbook of Hardwoods,HMSOForest Products Research Laboratory, U.K.,1955,Kiln-Drying Schedules,Forest Products Research Laboratory, Princes Risborough, Department of,Science and Industrial Research, Building Research Establishment Leaflet,No.42Forests Products Research Laboratory, U.K.,1956,A Handbook of Hardwoods,Forest Products Research Laboratory, Princes Risborough, Department of,Science and Industrial Research, Building Research EstablishmentHMSO.1972.Handbook of Hardwoods.2nd Edition.Revised by R.H. Farmer.Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Princes Risborough, Aylesbury, Buckinghamshire.Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.Palgrave, K.C.,1977,Trees of Southern Africa,Cape Town South AfricaPatterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical PressRecord, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. PressScott, M.H. 1953. Utilization Notes on South African Timbers. Bulletin No. 36. Department of Forestry, Union of South Africa. The Government Printer, Pretoria, South Africa.Scott, M.H.,1935,Weights of South African Growth Timbers,South African Department of Agriculture and Forestry Bulletin,No.145,Forest Products Institute, Forestry Series No.1Scott, M.H.,1953,Utilisation Notes on South African Timbers,South African Forestry Department Bulletin No.36Sim, T.R.,1906,The Forests and Forest Flora of Cape Colony,Taylor & Henderson, AberdeenSim, T.R.,1921,Native Trees of South Africa,Union of South Africa Department of Mines and Industries Memoir No.3Takahashi, 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
*Come interpretare i dati (manleva su eventuali imprecisioni)