Category :    Light Hardwoods

Species

General Characteristics

Sapwoodlightcr-colourcd, but only moderately differentiated from heartwood; colour of heartwood deep pink-brown or red-brown; planed surface not particularly lustrous (generally rather dull); often with modest streaky figure on radial surface; texture moderately fine and even; grain interlocked; hard to moderately hard to cut across grain; air dry density ranging from 400 to 1075 kg/m³ on an average about (25 to 67 lb/ft³); 720 kg/m³ and (45 lb/ft³): Durability of the timber varies from durable to non-durable depending on the species.

Structure

Growth rings generally absent but occasionally concentric layers of dense fibres may occur which simulate growth rings.
Vessels with simple perforation; medium-sized; moderately few or occasionally moderately numerous in number; solitary forms fewer than multiples; majority in radial multiples of 2 to 6 in a series in chain-like formation (arrangement radial); tyloses sparse or moderately abundant; deposits absent.
Wood parenchyma exclusively apotracheal as regularly spaced, fine bands.
Rays very fine or fine, generally not visible to the naked eye on a cross-section; not prominent on a radial surface.
Ripple marks absent.

Other Features

Burning splinter test : Splinter burns to ash.
Froth test: Some species froth profusely whereas others do not.

Uses

Nyatoh is very popular as a furniture and solid door timber. It is suitable for high class decorative interior finishing such as panelling and partitioning. Other uses include strip and parquet flooring, ceilings boat decking, rotary and sliced veneers, plywood and pallets.