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ALBASIA

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ALBASIA

Albasia blockboard timber is a special version made for plywood. It is a well-known material, consisting of middle layer of parallel aligned wooden sticks with double-sided glued face veneers or panels glued crossways.

Description

Botanical name: Albizzia falcataria
Overall character: Beech, poplar, spruce and tropical woods are among the common materials for veneer woods. In some cases, special versions made out of other, more rare timber are used. Sliced veneers generally have a thickness of 0,6 millimetres.
Color and structure:
Characteristics/features:
Areas of use: Albasi is mostly used as a face veneer.
Sources: https://www.holzvomfach.de

AYOUS

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AYOUS

Ayous is a very well-known light, off-white import timber from Africa. Because of its light weight and endurance, it has been applied in indoor areas for decades. In Germany, Ayous is also known as Obeche or Abachi. Its name in the Ivory Coast is Samba, and in Ghana it goes by Wawa.

Description

Botanical name: Triplochiton scleroxylon
Overall character: Light and airy porous hardwood. Planed surfaces can exibxit a natural glossy finish.
Color and structure: The splint has a width of up to 15 cm and a light yellow to straw color, like the heartwood. The borders of the growth zones are blurry in most cases, and can only be identified through very fine marginal parenchyma (ground tissue) and irregular porosity.
Characteristics/features: Pursuant to DIN-EN 350-2, Ayous is specified to have a class 5, which means it is particularly prone to fungi and insects. Therfore, it is unprotected and not suitable for outdoor use.
Areas of use: Used indoors, for non-load-bearing applications that require good dimensional stability and a low weight. The solid wood is used for strips, planked door frames, model construction, sauna benches and for packaging. Ayous is often used especially for sauna and theater construction .
Sources: https://www.holzvomfach.de

BIRCH

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BIRCH

About 60 kinds of the Betula genus can be found in Northern forest ares of Asia, Europe and America, only few of these grow in the Northern mountains of India and China. Birch forests in Europe are mostly transformed into veneer and plywood.

Description

Botanical name: Betula spp.
Overall character: Fine-pored wood with a generally smooth and silky surface. Birch wood can vary in color; lighter kinds are mostly yellowish to reddish-white, while heavier kinds have light to dark brown (dark reddish brown in some cases) core.
Color and structure: Most kinds have a splint with a pale yellow to reddish-white shade, that can develop a brown color, similar to the heartwood, in old age or when injured.
Characteristics/features: Birch woods have a low natural durability and, unlike alders, are not durable underwater, either. They are listed as a class 5 durability wood pursant to DIN EN 350.
Areas of use: The majority of Birch woods is processed into peeled veneers and then into plywood. However, sliced veneers are also very in demand for the furniture industry. The structural deviations of this wood (such as the appearance of a curly grained or ice birch) give these veneers an aesthetically pleasing appearance that is perfect for furnishing.
Sources: https://www.holzvomfach.de

ILOMBA / OTIE

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ILOMBA / OTIE

Ilomba wood grows in Western and Central Africa. Due to its distinctively straight fibres and light color, Ilomba has proven itself to be significant in various areas. It is especially successful in the production of fillets and rotary cut woods.

Description

Botanical name: Pycnanthus angolensis
Overall character: This tree has a mostly average diameter only and a light color. The structure is slightly porous and strikingly straight. The optical appearance is very simple.
Color and structure: The splint is yellowish white to pale pink; there is generally no distinction between heartwood and sapwood. Round wood is prone to pink-grey to brownish, bacterial discoloration in the the bark-free areas as well as during the drying of the sawn timber, especially under staple blocks and at the end of log cuts.
Characteristics/features: Moderately light wood with slightly lower strength properties than Limba, but higher than Okoume. The fresh wood is easily cuttable. It can tend to develop fibrous edges.
Areas of use: Due to its lack of resistance to fungus when wet, Ilomba is recommended for indoor use, only. Indoors, it can be used for a variety of purposes as solid wood in these areas, as long as high strain or a special appearance are not required
Sources: https://www.holzvomfach.de

OKOUME

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OKOUME

Following introduction of the particle board and the use of other woods, Okoume wood has lost its significance, after previously being the most notable rotary cut timber.

Description

Botanical name: Aucoumea klaineana
Overall character: A consistently constructed and moderately coloured wood with a varied fibre flow.
Color and structure: The splint is light grey and 3 to 5 centimetres wide. The color of the heartwood varies depending on origin and age, but is mostly salmon-coloured to pink-grey with a glossy matte finish (when dry). Yellows in the light.
Characteristics/features: For all figures, a variance of ± 10% must be expected. These often depend on the habitat as well as the tree age. The timber, which is moderately light like poplar wood, can be dried using all available methods and, depending on the grain, has a satisfactory to good staying power.
Areas of use: Okoume is mainly processed as a peeled or sliced veneer for plates made out of veneers or veneer coated panels. It can also be used for veneer plates of various strengths and sizes, as well as for door panel decks and chipboards.
Sources: https://www.holzvomfach.de

POPLAR

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POPLAR

There are about 35 primary kinds of Populus woods, of which only two hybrids are relevant in Europe and North America. On the market, they are often distinguished between poplar (cottonwood) and aspen trees.

Description

Botanical name: Populus spp.
Overall character: Soft and light, off-white or slightly reddish brown dispersed porous hardwood with a homogenous structure and a sleek look.
Color and structure: The primary poplars as well as hybrids have a light splint that clearly contrasts with the heartwood, which has a yellowish to reddish brown color. Aspenwood is entirely yellowish white.
Characteristics/features: Tear strength: u12-15: 64–76 N/mm²
Shear strength: u12-15: 5,0–7,2 N/mm²
Areas of use: Poplar wood is versatile and is currently mainly used for plywood peeled veneers, packaging (boxes, chip baskets and boxes) and matches.
Sources: https://www.holzvomfach.de

SAPELLI

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SAPELLI

Sapelli is among the most important export woods from Africa’s tropical forests. In the 1960s, Ghana and Côte d’Ivoire were the main export countries for this type of wood. In more recent times, the Republic of the Congo, Central Africa and Cameroon have taken that place.

Description

Botanical name: Entandrophragma cylindricum
Overall character: Colored timber that is only slightly porous on the surface area. Thanks to its structure, tint and gloss, this wood looks especially aesthetically pleasant.
Color and structure: The splint can be narrow or wide, with a grey to yellowish color. The heartwood has a light pinkish brown color that darkens and turns into a deep auburn.
Characteristics/features: Hard to moderately hard wood of a slightly higher strength than Sipo, comparable to Oak. Processing with tools all kinds is very easy and even possible on dry wood.
Areas of use: Sapelli is often used in the form of solid wood or as a veneer for furniture construction and high-quality indoor construction, as well as for stairs and parquet.
Sources: https://www.holzvomfach.de