|
qualities
your
inquiry
photo
gallery
actual offers
|
SOFTWOOD:
FIR TREE
|
|
| NAMES: |
Fir tree, silver
fir |
| BOTANICAL NAME: |
Abies alba Mill. |
| ORIGIN AND SPREAD: |
Central-, South-west-
and southern Europe; Pyrenees, French central plateau and the
western Alps |
| MACROSCOPIC CHARACTERISTIC
FEATURES: |
Boarder of annual
rings clear, yellowish-whitish to reddish-whitish colour with
a grey touch, transition from spring-wood to summer-wood within
one year continuously |
|
IMPORTANT TECHNOLOGICAL FEATURES:
|
Dry density (grams/cbm) 0,32
– 0,45 – 0,71
Volume shrinking tolerance (in %) 10,2
– 11,5
Pressure strength (Newton/qm) 31 – 47
– 59
Bending strength (Newton/qm) 47 – 73
– 118
Tensile strength (Newton/qm) 47 – 84
– 120
E-Module 6 600 – 11
000 – 17 200 |
|
PROCESS
AND USE:
|
Good to
saw, to plane and to nail, good to stain, dries good and fast,
low tendency to tear and warp
Difficult
to impregnate
Construction
wood for inside and outside, paper- and pulp industry
Low natural
durability
|
| SPECIFIC
CHARACTERISTICS: |
Specially
for music instruments (resonance wood)
Approx.
40 Abies kinds are known
The Fir
tree is endangered through pollution
|
|
