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Wood Types

What type of wood is this? that is a common question!

There is three basic types of wood.
Softwoods, Hardwoods, and Engineered wood (Laminated Plywood)

A hardwood is extracted from a broad-leafed tree.
Alder, Balsa, Beech, Hickory, Mahogany, Maple, Oak, Teak, and Walnut. etc.
Janka scale Hardness usually > 500 Kg

Softwoods come from conifers, evergreen and cone-bearing trees.
Cedar, Birch, Douglas fir, Juniper, Pine, Redwood, Spruce, and Yew, etc.
Janka scale Hardness usually < 500 kg

Common wood types in Indonesia:
Mahogany wood
Scientific Name: Swietenia
Hardness: 425 kg
Often used for Furniture
Jempinis Wood
Scientific Name: (Similar to China-berry) Melia azedarach
Hardness: 500 Kg
Often used for wood carving

Rubberwood
Scientific Name: Hevea brasiliensis
Hardness: 500 Kg
Can be used for Furniture,
but need treatment to avoid insect attacks

Albizia, Tanga Tanga
Scientific Name: Albizia spp. (A. ferruginea, A. versicolor) 
Hardness: 500 Kg
Often used for wood carving

Suar wood (Albizia)
Scientific Name: Samanea saman
Hardness: 500 Kg
Often used for wood carving

Teak Wood
Scientific Name: Tectona grandis
Hardness: 550 Kg
Often used for Furniture, and wood carving
Angsana (Asian Rosewood) 
Scientific Name: Pterocarpus indicus
Hardness: 700 Kg
Often used for Furniture

Coffee Wood
Scientific Name: Coffea
Hardness: 700 kg
Rosewood (Palisander Wood)
Scientific Name: Dalbergia latifolia
Hardness: 800 Kg
Often used for Furniture
Bengkirai 
Scientific Name: Shorea laevis Ridl. (Syn. S. laevifolia Endert),
Hardness: 900 Kg
Often used for Flooring and housing
Bamboo
Scientific Name: Bambusoideae
Hardness: 900+ Kg
Often used for Flooring, Housing and Furniture
Palmwood (coconut wood)
Scientific Name: Cocos nucifera
Hardness: 900 Kg
Often used for Flooring, Housing and Furniture

Janka scale of hardness
Is a test where a 12mm steel ball are pressed halfway into the wood.

The Janka wood Scale