Walnut (European)
Botanical name
Juglans regia
Origin
Europa
Other names
Nussbaum, Nogal, Noce Commune, Walnuss, Noyer, European Walnut
WOOD DESCRIPTION
| Color: |
brown |
| Sapwood: |
not clearly demarcated |
| Texture: |
medium |
| Grain: |
straight |
| Interlocked grain: |
absent |
| Note: |
Brown heartwood more or less yellow brown or pinkish brown, sometimes greyish, often with darker veins. Straight to wavy grain. |
PHYSICAL, MECHANICAL AND ACOUSTIC PROPERTIES
|
(*: at 12% moisture content, with 1 MPa = 1 N/mm²) Musical quality factor: 90,9 measured at 2003 Hz |
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NATURAL DURABILITY AND TREATABILITY
| Funghi (according to E.N. standards): |
class 3 - moderately durable |
| Dry wood borers: |
heartwood durable but sapwood not clearly demarcated |
| Termites (according to E.N. standards): |
class S - susceptible |
| Treatability (according to E.N. standards): |
class 3 - poorly permeable |
| Use class ensured by natural durability: |
class 2 - inside or under cover (dampness possible) |
| Species covering the use class 5: |
No |
| Note: |
This species is listed in the European standard NF EN 350-2. WILD NUT sapwood is permeable to preservative products. |
SAWING, MACHINING AND ASSEMBLING
| Blunting effect: |
normal |
| Sawteeth recommended: |
ordinary or alloy steel |
| Cutting tools: |
ordinary |
| Peeling: |
good |
| Slicing: |
nood |
| Nailing / screwing: |
good |
| Gluing: |
correct |
