Walnut  - Junglans Nigra


CHARACTERISTICS




Wood description:
American walnut colour is more uniform then the European one, its tone is purple-brown. Sapwood flow is vertical and more regular, trunks grow more on height.
Sapwood: from white-yellow to light brown;
Heartwood: from red-brown to dark-brown.

Histological structure:
Grain: straight, sometimes wavy;
Texture: medium.

Characteristic defects:
Vulnerable to wood-boring insects

Permeabilty:
permeable sapwood and not totally impermeable heartwood.

Working properties:
Sawing: trouble-free;
Drying: slow and with risk of colapse;
Planing: trouble-free;
Glueing: easy;
Nailing and screwing: easy;
Finishing: easy.



Main uses:
Furniture for interiors;
Flooring, ceiling, doors … ;
Decorative veneering;
Turnery and carving.

Mechanical properties:
Tensil strength : 1010 kg/cm²
Compressive strength : 523 kg/cm²

Specific weight:
green 900 kg/m³
dried 550 kg/ m³.