TEAK (Tectona Grandis)
Teak is one of the most valuable timbers, "the King of Hardwoods", in ancient times considered as "a royal timber". Teak is world wide recognized for its durability and stability, The timber is immensely stable, has a high oil content that works as "built-in" natural water repellent and is therefore virtually immune to rotting, fungi and harsh chemicals. Teak is one of the few timbers that can withstand the heat of the desert and will not readily catch fire.
Untreated teak can be left in the open for more than 30 years whilst becoming an attractive soft silver color. Teak is one of the timbers not susceptible for termite (white ants) attacks.
Teak will not turn black when in contact with metals.
Teak has a great beauty. It is generally fine to coarsely grained, even texture, medium luster and an oily feel. Yellow brown to dark golden brown heartwood and grayish or white sapwood.
Teak has a high degree of natural durability, is moderately hard and heavy with low stiffness and shock resistance but an excellent decay resistance and dimensional stability with a good acid resistance.
Exterior and interior doors, parquet, indoor and outdoor furniture, ship decks.
Indonesia exports mainly two type of teak timbers, Bojonegoro teak from the Mid and Mid-East of the island of Java and Banuywangi teak from the East of Java. Bojonegoro teak is considered one of the highest quality teaks available in the world. It has an unparalleled beauty, warm color and a coarse even structure. Banuywangi teak is somewhat lower in quality, not as warm in color as Bojonegoro teak. It has few small white calcium spots. Banyuwangi is less durable against white ants attack.
There are 7 types of Bojonegoro teak available, in the following ranking order:
Class D2 and D3, quite similar to class D1, but coarser grain structure. Used for the lower priced teak furniture.
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Last modified: October 01, 2011