Wood inspector

Item	Green	Dry	Metric
Specific Gravity	0,79	0,95
Density		945	kg/m3
Bending Strength	1092	1659	kg/cm2
Crushing Strength		154	kg/cm2
Hardness		1158	kg
Impact Strength		142	cm
Shearing Strength		158	kg/cm2
Stiffness	167	210	1000 kg/cm2
Tangential Shrinkage	10		%
Radial Shrinkage	6		%
Weight	929	833	kg/m3
Maximum Load			cm-kg/cm3
Toughness		497	cm-kg
Static Bending		854	kg/cm2

Shrinkage, Tangential = large
Shrinkage, Radial = large
Modulus of Elasticity (stiffness) = very high
Max. crushing strength = high
Bending strength (MOR) = very high
Bending strength (MOR) = high
Shrinkage, Volumetric = large
Shearing strength (parallel to grain) = medium
Max crushing strength = very high
Density (dry weight) = 67-75 lbs/cu. ft
Hardness (side grain) = hard
Hardness (side grain) = very hard
Shearing strength (parallel to grain) = high
Modulus of Elasticity (stiffness) = high
Density (dry weight) = 61 - 67 lbs/cu. ft.
Density (dry weight) = 53 - 60 lbs/cu. ft.
Toughness-Hammer drop (Impact Strength) = medium
Toughness- hammer drop (Impact Strength) = high
Toughness - hammer drop (Impact strength) = very high
Shrinkage, Volumetric = small
Shrinkage, Volumetric = fairly large
Shrinkage, Tangential = fairly large
Shrinkage, Radial = fairly large
Max. crushing strength = medium
Hardness (side grain) = medium
Density (dry weight) = 75+ lbs/cu. ft.
Bending strength (MOR) = medium

Banks, C.H. and J.P. Schoeman. 1963. Railway Sleeper and Crossing Timbers. Bulletin No. 41, Republic of South Africa. The Government Printer, Pretoria, South Africa.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 ResearchChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Cooper, G.P., Record, S.J.,1931,The Evergreen Forests of Liberia,Yale School Forestry Bulletin,31,pp1-153Eggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaErfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry DepartmentFouarge, J.,1950,Appropriation de Bois Congolais aux Besoins de la Metropole,I.N.E.A.C. Belgium Serie Technique,No.38Hughes, J.F.,1971,The Principal Timber Trees of Cameroon,Unpublished dataIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonKryn, J.M., Forbes, E.W.,1959,The Woods of Liberia,U.S.A. Department of Agriculture,Forest Products Laboratory, Madison,,Report No. 2159Kunkel, G.,1965,The Trees of Liberia,German Forestry Mission to Liberia Report,No.3Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TSallenave, P.,1971,Proprietes Physiques et Mecaniques des Bois Tropicaux (Deuxieme,Supplement,C.T.F.T.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. 7Taylor, C.J.,1960,Synecology and Silviculture in Ghana,University College of Ghana Thomas Nelson and SonsUganda Forestry Department,1954,Pilot tests of strength properties of some Ugandan grown timbers,Uganda Forest Department Timber leaflet No. 46WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.