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Sipo
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Name: ASSI –
UTILE Family: MELIACEAE
Scientific names: ENTANDROPHRAGMA UTILE
Origin: WEST AFRICA – CENTRAL AFRICA
UTILE Family: MELIACEAE
Scientific names: ENTANDROPHRAGMA UTILE
Origin: WEST AFRICA – CENTRAL AFRICA
WOOD DESCRIPTION
Reference color: red brown
Sapwood: very distinct
Grain: medium
Thread: counter-thread
Counter-thread: light
Wood pinkish brown to reddish brown slightly purplish, nuanced with moiré reflections. Ribboned aspect on quarter. Irregular thread.
PHYSICAL AND MECHANICAL PROPERTIES
These properties can vary significantly depending on the origin and growing conditions of the wood.
- Density *: 0.62
- Monnin hardness *: 3.0
- Coef. Volume shrinkage: 0.42%
- Stability in service: moderately stable to stable
- Total radial shrinkage: 4.6%
- Fiber saturation point: 30%
- Total tangential shrinkage: 6.4%
(*: 12% humidity)
Variable hardness: soft to semi-hard wood.
NATURAL DURABILITY AND IMPREGNABILITY OF WOOD
- Mushrooms: cl 2-3 durable to moderately durable
- Dry wood insects: durable; distinct sapwood (risk limited to sapwood)
- Termites: class M – moderately durable
- Impregnability: 4 – not impregnable
- Biological risk class: 2 – out of contact with the ground, sheltered (risk of humidification)
SAWING AND MACHINING
- Blunting effect: normal
- Teeth for sawing: ordinary or alloy steel
- Machining tools: ordinary
Tendency to tearing due to the counterwire
ASSEMBLY
- Nailing – Screwing: good hold
- Gluing: correct
- Gluing requires care: the wood can stain.
USES
Filling is recommended to obtain a better finish.
- furniture
- exterior and interior carpentry
- paneling
- molding
- light craft
- parquet
- stairs
Main known uses to be validated by implementation in accordance with the rules of the art. Important note: some uses are mentioned for information.
Source: CIRAD – ATIBT
REACTION TO FIRE
- French conventional classification: thickness> 14 mm: M.3 (moderately flammable) thickness <14 mm: M.4 (easily flammable)
- classification according to euroclasses: D s2 d0 This default classification concerns solid woods meeting the requirements of standard NF EN 14081-1 appendix C (May 2006), used in vertical walls. Namely structural wood, classified, with a minimum average density of 0.35 and a minimum thickness of 22 mm.
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