KAPUR

INTRODUCTION

The Standard Malaysian Name for the timber of Dryobalanops spp. (Dipterocarpaceae). Vernacular names applied to this timber include kapur (Peninsular Malaysia, Sabah and Sarawak) with various epithets, keladan (Peninsular Malaysia) and kelansau (Sarawak). Major species include D. aromatica, D. beccarii, D. keithii, D. lanceolata, D. oblongifolia and D. rappa. The sapwood is yellowish brown and sharply defined from the heartwood, which is reddish brown.


Also known as Kapur (Brunei); and Kamper, Kapur and Petanang (Indonesia).

DENSITY

The timber is a Medium Hardwood with a density of 580-820 kg/m3 air dry.

TEXTURE

Texture is moderately coarse and even with straight or shallowly interlocked or sometimes deeply interlocked grain.

USES

The timber is suitable for medium construction, posts, beams, joists, rafters, door and window frames and sills, fender supports, telegraphic and power transmission posts and cross arms, flooring, staircase (treads, angle blocks, rough brackets, bullnose, riser, balustrade, carriage, stringers, round end and winder), vehicle bodies (frame-work, floor boards and planking), ship and boat building (keels, keelsons and framework), pallets (heavy and permanent types), tool handles (impact), cooling tower (structural members), plywood, laboratory benches, column (light duty) and railway sleepers. In domestic flooring and internal fittings where finished appearance is important, care should be taken in fixing because of a tendency to develop an unsightly black stain in contact with iron nails, screws or other fittings.

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