Scientific name

Erythopleum utile Sprangue; E. Suaveolensis Brenan

Other names

English: Tali, Missanda

Geographic origin

Africa

Description

&;8226; Sapwood: Yellowish white to pinkish white, clearly distinct
&;8226; Heartwood: yellowish gery to reddish grey
&;8226; Fiber: Straight, frequently intertwined or very intertwined
&;8226; Grain: Slightly/occasionally interlocked to highly/frequently interlocked

Capacity of being impregnated

&;8226; Sapwood: Medium capacity of being impregnated
&;8226; Heartwood: Low capacity of being impregnated

Mechanization

&;8226; Sawing process: ordinary difficulties arise from hardness
&;8226; Drying process: very slow. High risk of deformation and lower risk of crack formation
&;8226; Planing process: Difficult due to its hardness and to the risk of repelling and splinting. Slow mechanisation is highly recommended
&;8226; Gluing process: Tannins hamper proper adherence
&;8226; Nailing and screwing process: pre-drilling is recommended due to the hardness
&;8226; Finish: Rubber deposits can locally inhibit varnish adherence

Physical properties

&;8226; Apparent density at 12% humidity 920 kg/m3 very heavy wood
&;8226; Dimensional stability
- Volumetric contraction coefficient 0.52%. It varies from nervous wood to very nervous wood
- Relation between contractions 1.7% no tendency to deformity
&;8226; Hardness (Chaláis-Meudon) 8.5 very hard wood

Mechanical properties

&;8226; Resistance to static flexion 1,700 kg/cm2
&;8226; Elasticity module 140,000 kg/cm2
&;8226; Resistance to parallel compression 750 kg/cm2
&;8226; Resistance to parallel traction 1,200 kg/cm2

Observations

&;8226; In certain areas of Spain is called Bolondo
&;8226; In the ATIBT guide is called Tali