African Teak Timber – Chlorophora Excelsa
African Teak AKA Teak African, Teak, Iroko
Colour – The heartwood is generally golden brown but varies from grey-brown to red-brown. Longitudinal streaks are often present due to the ring-porous structure of teak. Sapwood is well demarcated, being pale yellow in colour.
Grain – The grain is straight or occasionally interlocked. Texture is uneven varying from smooth to coarse due to its ring-porosity.
Density – 670 kg/m3
Durability – Class 2 – Highly resistant to decay when fully exposed to the weather, clear of the ground and well drained with free air circulation. Moderately decay resistant in the ground.
Hardness – Firm (rated 4 on a 6 class scale) in relation to indentation and ease of working with hand tools
Sapwood – Pale yellow, readily distinguished from heartwood
Heartwood – Brown to golden brown. Sometimes streaky
Texture – Non-uniform, moderately coarse, straight grain and greasy feel.
Vessels – Ring porous, size ranging from small to large. Tyloses. Coloured deposits frequent. Vessel lines prominent, particularly on dressed longitudinal surfaces.
Parenchyma – Terminal bands prominent
Rays – Medium to fine
Burning Splinter Test – A match size splinter burns to grey ash