Timber

Ebony (Diospyros celebica)

Moisture content and weight of 12.7%,Tensile strength (219.66 MPa), Tenacity 14.05%, Compressive strength (80.18 MPa), Shear Strength (9,15MPa), Modulus of Rupture (157.19 MPa), Elastic modulus 17345.46 MPa, Hardness HB 144.67, Unidirectional fiber HB 141.38

Bengkirai (Shorea laevifolia)

Durability grade I, II, III, Strong grade I, II, Also accompanied the rigors of nature, a high degree of brittleness, so easily arise crack fiber surface.

Red Meranti (Shorea)

Hard wood lightweight, medium weight to severe, Its density ranges, between 0.3 to 0.86, a water content of 15%

Kamper (Dryobalanops lanceolata)

Durability grade II, III, Not too tough and strong, fine fibers, not waterproof, does not have the year circle, Tractable