Iroko

1.001.10 (-9%)

In stock

Name: KAMBALA
Family: MORACEAE
Scientific names: MILICIA EXCELSA / REGIA
Origin: WEST AFRICA – CENTRAL AFRICA

WOOD DESCRIPTION

Reference color: yellow brown

Sapwood: quite distinct
Grain: coarse
Thread: counter grain
Counter grain: light

Yellow brown to more or less dark brown with golden reflections. Ribboned appearance on quarter, darker veins on back. Possible presence of very hard white concretions; sometimes a darker tint surrounds them.

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PHYSICAL AND MECHANICAL PROPERTIES

These properties can vary significantly depending on the origin and growing conditions of the wood.

  • Density *: 0.64
  • Monnin hardness *: 4.1
  • Coef. Volume shrinkage: 0.44%
  • Stability in service: moderately stable
  • Total radial shrinkage: 3.5%
  • Fiber saturation point: 23%
  • Total tangential shrinkage: 5.4%

(*: 12% humidity)

NATURAL DURABILITY AND IMPREGNABILITY OF WOOD

  • Mushrooms: cl 1-2 very durable to durable
  • Dry wood insects: durable; distinct sapwood (risk limited to sapwood)
  • Termites: class D – durable
  • Impregnability: 4 – not impregnable
  • Biological risk class: 3 – out of contact with the ground, not sheltered

Iroko wood (heartwood) does not cover biohazard class 4 required for use in contact with a permanent source of moisture (example: contact with the ground). On the other hand, in the absence of water traps and for a well-drained construction system, this essence can be used outdoors without treatment.

SAWING AND MACHINING

  • Blunting effect: quite significant
  • Teeth for sawing: stellate teeth
  • Machining tools: tungsten carbide

The concretions present in some logs severely damage the tools. Very irritating dust. Risk of tearing (regular thread).

ASSEMBLY

  • Nailing – Screwing: good hold
  • Gluing: correct

USES

Mouth-porage advised. Wood sometimes refractory to finishing products. We must therefore use paints or varnishes that do not contain free drying oil, that is to say paints or varnishes based on synthetic resins such as vinyl paints or polyurethane varnishes which can also be used as a layer. printing.

  • exterior and interior carpentry
  • parquet
  • shipbuilding
  • paneling
  • turned items
  • furniture
  • staircase

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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1.001.10 (-9%)

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