Fromager
Scientific name:
ceiba penttandra Gaertn. Syn.- C. Thonningli A. Chev
Geographic origin:
Africa
- Sapwood: the colour varies from white, light brown, pink brown to grey. Yellow or grey shades usually appear.
- Heartwood: sometimes it can't be easily distinguished from sapwood.
- Fiber: intertwined.
- Grain: rough or thick.
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Capacity of being impregnated
- Capable of being impregnated.
Mechanical properties
- Resistance to static flexion 430 Kg/ cm2.
- Elasticity module 44,000 kg/cm2.
- Resistance to parallel compression 250 kg/cm2.
Mechanization
- Sawing process: difficult. Wide saw is required.
- Drying process: drying process speed can vary from normal to low speed. Slow drying process is highly recommended.
- Gluing process: difficult due to its very porous surface.
- Nailing and screwing process: difficult due to the extraction problems.
- Finish: no difficulties.
Physical properties
- Apparent density (12% de humidity): 320 kg/m3.
- Dimensional stability:
- - Volumetric contraction coefficient 12%. partially nervous wood.
- Hardness (Chaláis-Meudon) 0.8 very soft wood.
Observations
- A tenir en compte:
- A Espanya només s'utilitza per a tauler contraxapat
