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Teak( Tectona grandis Linn.f.)

teakwood

Moisture Content Bending Strength Mod. of Elasticity Compression parallel to grains Hardness ( Radial ) Impact Max. Drop
% N/mm2 N/mm2 N/mm2 Kg mm
14.1 100 12627 57.6 436 787

 

Strength: Strong, moderately elastic and hard.

Movement: Small and exceptionally steady. Shrinkage from green to oven-dry is 1.5% radially and 2.5% tangentially.

Durability and Preservation: One of the most naturally durable timbers of the world. Practically impervious to insect and white ants but not immune to marine borers. High in resistance to acid and fire. Lasts well in contact with or under water, and lasts indefinately under water. Extremely resistant to preservative treatments.

 

Pyinkado ( Xylia dolabriformis Benth )

pyinkado

Moisture Content Bending Strength Mod. of Elasticity Compression parallel to grains Hardness ( Radial ) Impact Max. Drop
% N/mm2 N/mm2 N/mm2 Kg mm
10.3 142 17457 79.6 983 1270

 

Strength: A hard and extremely strong timber posssessing high strength properties.

Movement: Medium Shrinkage from green to oven-dry is 3.3% radially and 6.7% tangentially.

Durability and Preservation: Very durable and resistant to termite attack, but not entirely immune from it. It is also resistant to marine borers. The heartwood is extremely resistant to preservative treatment and sapwood is moderally resistant.

 

Taukkyan ( Terminalia tomentosa Weight & Arn. )

taunkkyan

Moisture Content Bending Strength Mod. of Elasticity Compression parallel to grains Hardness ( Radial ) Impact Max. Drop
% N/mm2 N/mm2 N/mm2 Kg mm
13.2 106 13150 57.1 930 1219

 

Strength: Hard & Strong timber.

Movement: Large Shrinkage from green to oven-dry is approximately 4.8% radially and 7.1% tangentially.

Durability and Preservation: Durable under cover but moderately durable in exposed positions. It is resistant to dry rot and to white ants. but not entirely immune to it. It can be treated readily with preservative.

 

Thigadu ( Parashorea stellata Kz. )

 

thigadu

Strength: Moderately Strong (Group C).

Movement: Not Available

Durability and Preservation: Moderately Durable