technical
Data
|
49
hardness values &
equilibrium moisture content
The surfaceof your
wooden floor – the so-
calledwear layer – ismade
exclusively from selected
wood.
Wood speciesdiffer
inhardness,which is
measured inBrinell. The
higher theBrinell value
theharder thewoodand
themorewear the floor
can take.
Ata relative
humidity in%:
Woodequilibriummoisturecontent:
80%
16.2
16.0
16.0
15.8
15.5
15.1
14.9
75%
14.7
14.5
14.3
14.0
13.9
13.5
13.2
70%
13.2
13.1
13.0
12.8
12.4
12.1
11.8
65%
12.0
12.0
11.8
11.5
11.2
11.0
10.7
60%
11.0
10.9
10.8
10.5
10.3
10.0
9.7
55%
10.1
10.0
9.9
9.7
9.4
9.1
8.8
50%
9.4
9.2
9.0
8.9
8.6
8.4
8.0
45%
8.6
8.4
8.3
8.1
7.9
7.5
7.1
40%
7.8
7.7
7.5
7.3
7.0
6.6
6.3
35%
7.0
6.9
6.7
6.4
6.2
5.8
5.5
30%
6.2
6.1
5.9
5.6
5.3
5.0
4.7
25%
5.4
5.3
5.0
4.8
4.5
4.2
3.8
Ata temperature in
°Celsiusof:
10°
15°
20°
25°
30°
35°
40°
Woodspecies
Origin
ØRawdensity
u=12% [g/cm³]
ØBrinellhard-
ness [N/mm²]
Hard
wood
Birch
Europe
0.65
23
BlackCherry
NorthAmerica
0.58
24
BlackWalnut
NorthAmerica
0.64
26
MapleEur.
Europe
0.63
27
Apple
Europe
0.75
28
CherryEur. steamed Europe
0.63
31
Pear
Europe
0.74
32
RedOak
NorthAmerica
0.66
33
Acacia (Robinia)
Europe
0.77
34
Beech
Europe
0.72
34
Oak
Europe
0.68
34
Veryhard
wood
HardMaple
Canada
0.67
35
Iroko (Kambala)
Central Africa
0.69
35
Plum
Europe
0.80
37
Doussie (Afzelia)
WestAfrica
0.75
38
Ash
Europe
0.69
39
Extremely
hardwood
Bamboo
China
0.70
40
Merbau
South-EastAsia
0.86
46
Wenge
EastAfrica
0.86
53
Brazil Cherry
South/LatinAmerica
0.95
68
