Fir
Denominación científica:
Picea abies Karst
Procedencia geográfica:
Center, south and north of Europe.
- Sapwood: yellowish white.
- Heartwood: reddish yellow.
- Fiber: right.
- Grain: from medium to small size.
- Characteristic defects: it has many small, healthy, and lively knots.
![Abeto Abeto](/sites/default/files/styles/large/public/2023-11/6272329a0a17b2e47925828f7bbbd57b.jpg?itok=agWtJA90)
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
![Impregnabilidad](/themes/custom/gabarro/images/icons/impregnabilidad.png)
![Propiedades mecanicas](/themes/custom/gabarro/images/icons/propiedades-mecanicas.png)
![Mecanizacion logo](/themes/custom/gabarro/images/icons/mecanizacion.png)
![Propiedades fisicas logo](/themes/custom/gabarro/images/icons/propiedades-fisicas.png)
Impregnabilidad
- Sapwood: low capacity of being impregnated.
- Heartwood: no capable of being impregnated.
Propiedades mecánicas
- Resistance to static flexion: 710 kg/cm2
- Elasticity module: 110,000 kg/cm2
- Resistance to compression: 450 kg/cm2
Mecanización
- Sawing process: easy and with no difficulties.
- Drying process: fast, with risk to crack formation.
- Planing process: no difficulties.
- Gluing process: good.
- Nailing and screwing process: tendency to crack formation. Little resistance to be pulled away.
Propiedades físicas
- Apparent density at 12% humidity 450 kg/m3 light wood.
- Dimensional stability
- - Volumetric contraction coefficient 0.44 % stable wood.
- - Relation between contractions 2.1% bending tendency.
- Hardness (Chaláis-Meudon) 1.5 softwood .
Observaciones
- Fusta de creixement lent
- Fusta poc impregnable, quan es fa el tractament autoclau s'aconsegueix la classe 3 com a màxim.