Pacific Red Cedar
Scientific name:
Thuja plicata D. Don
Geographic origin:
West coast of north America.
- Sapwood: white.
- Heartwood: from reddish to reddish brown and brown.
- Fiber: straight.
- Grain: medium size.
- Characteristic defects: small healthy knots.
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
Capacity of being impregnated
- Sapwood: low capacity of being impregnated.
- Heartwood: no capable of being impregnated.
Mechanical properties
- Resistance to static flexion 530 kg/cm2.
- Elasticity module 80,000 kg/cm2.
- Resistance to compression 310 kg/cm2
Mechanization
- Sawing process: easy and with no difficulties.
- Drying process: slow, with risk to collapse and crack formation.
- Planing process: no difficulties.
- Gluing process: no difficulties.
- Nailing and screwing process: no difficulties.
- Finish: no difficulties.
Physical properties
- Apparent density at 12% humidity 370 kg/m3 light wood.
- Dimensional stability
- - Volumetric contraction coefficient 0.32 % highly stable wood.
- - Relation between contractions 2.5% high tendency to deformity.
- Hardness (Chaláis-Meudon) 1.3 softwood.
Observations
- Té habitualment variacions de color molt significatives en una mateixa peça.
- Qualitat 1a (No. 2 Clear & Better): Manquen de defectes, taques i imperfeccions, característiques naturals. Fusta sana d'òptima aparença i alta qualitat amb un alt grau de neteja, es destina a aplicacions en què és vital utilitzar només peces de la més bella aparença.
