NEW GUINEA WALNUT
Pacific walnut, Papuan walnut (UK); Loup, lup (Papua New Guinea).
Papua New Guinea and neighboring islands.
The grain is moderately interlocked with wavy grain present producing a broken striped figure on quartered surfaces. The surface shows irregular dark brown to black bandings. The texture is medium and even.
A grey brown backgrown with an orange cast.
Averaging between 740 kg/m3 (46 lb/ft3).
Bending strength – Medium
Crushing strength – High
Resistance to shocl loads – Medium
Stiffness – Low
Steam bending classification – Moderate
Dries readily with a slight tendency to warp in the thinner sizes and to check or distort if the drying is hurried. Dried slowly, there is minimum degrade. There is medium movement in service.
Although it works readily and easily with hand and machine tools there is a moderate blunting effect on cutters, which should be kept sharp to produce a smooth finish. It nails and screws well; glues, stains and polishes satisfactorily.
Moderately durable. It is non-durable to marine borers but resistant to termites. It is resistant to preservative treatment.
Furniture and cabinet making
Interior and exterior joinery