Other Common Names: Ta-sua (Thailand), Kato, Malatumbaga (Philippines), Bekak (Malaysia), Thitni (Burma), Amoora, Amari (India).
Distribution: India, Burma, Malay Peninsula, Philippines, and Sabah. Widely distributed but seldom very abundant in the Sub-Himalayan regions.
The Tree: Sometimes reaching a height of 100 ft; with diameters commonly 2 to 3 ft. Boles straight and cylindrical, up to 50 ft in length.
General Characteristics: Heartwood light to dark red, red brown or walnut brown; sharply defined from the straw to pinkish sapwood. Grain straight to somewhat interlocked; texture mostly medium to coarse; luster variable; without distinctive odor or taste.
Weight: Basic specific gravity (ovendry weight/green volume) varying with species from 0.44 to 0.76; air-dry density 33 to 58 pcf.
Mechanical Properties: (2-in. standard)
Moisture content Bending strength Modulus of elasticity Maximum crushing strength
(%) (Psi) (1,000 psi) (Psi)
Green (34) NA NA 4,330
12% NA NA 7,550
Janka side hardness 755 lb for green material and 895 lb at 12% moisture content. Forest Products Laboratory toughness 230 in.-lb and 190 in.-lb for green and dry material (5/8-in. specimen).
Drying and Shrinkage: Reported to be easy to air season, even in wide boards. No data on kiln schedules or shrinkage values available.
Working Properties: Saws and works well with both hand and machine tools; turns easily; takes a smooth finish.
Durability: Generally reported to be moderately durable when exposed to the weather or in ground contact.
Preservation: No information available.
Uses: Furniture and cabinetwork, flooring, construction, joinery, turnery, veneer and plywood.
Additional Reading: (9), (11), (34), (47)
9. Burgess, P. F. 1966. Timbers of Sabah. Sabah For. Rec. No. 6.
11. Desch, H. E. 1941-54. Manual of Malayan timbers. Malayan Forest Records No. 15. 2 vol.
34. Lauricio, F. M., and S. B. Bellosillo. 1966. The mechanical and related properties of Philippine woods. The Lumberman 12(5):66 +A-H.
47. Pearson, R. S., and H. P. Brown. 1932. Commercial timbers of India. Gov. of India Central Publ. Br., Calcutta.
From: Chudnoff, Martin. 1984. Tropical Timbers of the World. USDA Forest Service. Ag. Handbook No. 607.