Clicking any heading in the main data area (at right) will scroll the page back to this top position. Use the following links to jump to the associated section in the main data. Blunting Effect Boring Carving Comments Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Kiln Schedules Luster Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Odor Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sapwood Color Scientific Name Strength Properties Synonyms Texture Trade Name Tree Identification Tree Size Turning Varnishing Veneering Qualities		Scientific Name Chrysophyllum albidum Trade Name Adansawa Family Name Sapotaceae Synonyms Chrysophyllum kayei Common Names Adansawa, Adisa, Adosa, Agyaa, Ajaa, Akasa, Alasema, Emuhu, Isadongulu, Kofu, La-sa-tsho, Latsha-tsho, Longui, Mberiberi, Mfu, Mgoma, Monkey star apple, Mubakampungu, Muhambulya, Mululu, Mulyanyoni, Munyamata, Nkalate, Omuhinguba, Omuhubu, Omushayu, Osan-agbalumo, Otien, White star apple Regions of Distribution Africa Countries of Distribution  [VIEW MAP] Uganda Common Uses Boat building (general), Boxes and crates, Cabinetmaking, Flooring: industrial heavy traffic, Furniture, Handles: general, Joinery, Ladders, Light construction, Particleboard, Piling, Plywood corestock, Plywood, Tool handles, Toys, Turnery Environmental Profile Questionable Extinct Endangered Heartwood Color Brown Red Yellow Purple Black Green/grey Orange Pale brown White to cream Yellow to golden-yellow to orange Sapwood Color White Yellow Brown Red Pink Same as heartwood Grain Straight Closed Even Wavy Straight Wavy Texture Fine Coarse Medium Medium Coarse Medium to coarse Fine Luster Medium Natural Durability Very durable Moderately durable Perishable Non durable Susceptible to attack from termites (Isoptera) Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Heartwood is susceptible to wood staining fungal attack Odor Has an odor Kiln Schedules Drying (speed) is fast Drying Defects Distortion Slight twist/warp Ease of Drying Fairly Easy Reconditioning Treatement Tree Identification Bole/stem form is fluted Bole/stem form is straight Bole/stem form is buttressed Tree Size Bole length is 10-20 m Tree height is 30-40 m Sapwood width is 0-5 cm Sapwood width is 5-10 cm Tree height is 20-30 m Bole length is 20-30 m Trunk diameter is 150-200 cm Comments General finishing qualities are rated as good Blunting Effect Blunting effect on machining is fairly severe Boring Fair to good results Fairly easy to very easy Carving Fair to Good Results Fairly Easy to Very Easy Cutting Resistance Easy to saw Cutting Resistance with green wood is easy Gluing Fair to Good Results Easy to glue Mortising Fair to Good Results Fairly Easy to Very Easy Moulding Fair to Good Results Fairly Easy to Very Easy Movement in Service Fair to Good Stability - Medium Movement Nailing Easy to nail Planing Fairly Easy to Very Easy Fair to Good Results Easy to lane Resistance to Impregnation Permeable sapwood Resistant heartwood Resistant sapwood Heartwood is permeable Sapwood is permeable Heartwood is moderately resistant Response to Hand Tools Easy to Work Moderate working qualities Easy to machine Routing & Recessing Fair to Good Results Fairly Easy to Very Easy Turning Fair to Good Results Fairly Easy to Very Easy Veneering Qualities Suitable for peeling Suitable for slicing There is slight to moderate drying degrade and the potential for buckles and splits Diifficult to veneer Polishing Good results Satisfactory results Varnishing Satisfactory Strength Properties Max. crushing strength = high Density (dry weight) = 46-52 lbs/cu. ft. Modulus of Elasticity (stiffness) = medium Bending strength (MOR) = high Hardness (side grain) = medium Density (dry weight) = 38-45 lbs/cu. ft. Shrinkage, Radial = fairly large Shearing strength (parallel to grain) = medium Bending strength (MOR) = medium Shrinkage, Tangential = small Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Shrinkage, Radial = large Numerical Data Item Green Dry English Bending Strength 12357 19131 psi Density 44 lbs/ft3 Hardness 1658 lbs Maximum Crushing Strength 6899 9945 psi Shearing Strength 2205 psi Stiffness 1665 1923 1000 psi Weight 43 35 lbs/ft3 Radial Shrinkage 5 % Tangential Shrinkage 8 % Item Green Dry Metric Bending Strength 868 1345 kg/cm2 Density 705 kg/m3 Hardness 752 kg Maximum Crushing Strength 485 699 kg/cm2 Shearing Strength 155 kg/cm2 Stiffness 117 135 1000 kg/cm2 Weight 689 560 kg/m3 Radial Shrinkage 5 % References Bois, P.J.,1966,The Strength Properties of Tanzania Timbers,Tanzania Forest Div. Util. Sec. Moshi Tech. Note, No.35 Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building Research Bryce, J.M., Norcross, H.,1961,The Resistance of Tanganyika Timbers to Impregnation,Tanzania Forest Dept. Util. Sec .Tech. Note,No.28 Dale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards London Dalziel, J.M.,1937,The Useful Plants of West Tropical Africa,Crown Agents for the Colonies Eggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe Uganda I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer Cutting Tack, C.H.,1958,The Strength Properties of some Uganda Timbers,Uganda Forest Department Bulletin No. 5 Tack, C.H.,1969,Uganda Timbers,Govt. Printer Uganda 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. 7 Uganda Forest Department,1954,The Mechanical Properties of some Ugandan Timbers,Uganda Forest Department Timber Leaflet,No.1 Uganda Forest Department,1969,The Shrinkage of Some Ugandan Timbers,Uganda Forestry Department Timber Leaflet,No.47 Wimbush, S.H.,1950,Catalogue of Kenya Timbers,Govt. Printer Nairobi Kenya