Bekak |
The timber is hard and heavy to very heavy with a density of 770-995 kg/m3 air dry. The timber is rated as moderately durable to durable when in contact with the ground or when exposed to the weather. The heartwood is very difficult to treat with preservatives. Texture is fine to moderately fine or moderately coarse and even. Grain is straight to interlocked, sometimes irregular or wavy. The timber works well and can be sawn and machined easily except the heavier species which require more power in sawing. Nailing property of some species is reported to be excellent. The timber usually dries well without much degrade except for some slight collapse and twisting. Some species are reported to season fairly rapidly, with only slight cupping, bowing, end-checking and insect attacks as the main sources of degrade. 13 mm thick boards take 1.5 months to air dry, while 38 mm thick boards take 3.5 months. Shrinkage is rather high and averages 2.4% in both radial and tangential directions.
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