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HARDWOOD
EUROPE:
ASH |
|
| NAMES: |
Ash |
| BOTANICAL NAME: |
Fraxinus excelsior
L. |
| ORIGIN AND SPREAD: |
Europe, Mid East
---- |
| MACROSCOPIC CHARACTERISTIC
FEATURES: |
Sapwood whitish,
heartwood yellowish to reddish white; boarder sapwood and heartwood
not always to distinguish; boarder of annual rings macroscopic
noticeable; wood rays visible without a magnifying glass; very
decorative |
|
IMPORTANT TECHNOLOGICAL FEATURES:
|
Dry density (grams/cbm) 0,41 – 0,65 – 0,82
Volume shrinking tolerance (in %) 12,8
– 13,6
Pressure strength (Newton/qm) 23 – 52
– 80
Bending strength (Newton/qm) 58 – 120
– 210
Tensile strength (Newton/qm) 70 – 165
– 293
E-Modul 4 400 – 13 400 –
18 100 |
|
PROCESS
AND USE:
|
Manually and by machine good to
treat, bad stain colouring, good to varnish, to prefer kiln
drying
Sliced an peeling wood for the
furniture sector; special wood for sporting equipment, handles,
rungs for ladders, barrels, boat building, aircraft construction,
lath and carving of wood.
Low natural durability |
| SPECIFIC
CHARACTERISTICS: |
Approx.
35 Fraxinus-kinds are known |
|
