Open porosity
%
12
8
10
NFEN 1936
Density/Apparent volumetry mass
kg/M^3
2400
2300
2400
NFEN 1936
Capillarity coefficient C¹
g.m^-2-1/2
35
25
30
NFEN 1925
Capillarity coefficient C²
g.m^-2-1/2
-
-
-
-
Wear on disk
mm
30
27
29
NFEN 1341
Bending strength
M Pa
11
8
10
NFEN 12372
Fastener strength (type i)
N
160
130
140
NFEN 13364
Fastener strength (type lla)
N
-
-
-
-
Fastener strength (type llb)
N
-
-
-
-
Compression strength
M Pa
60
40
50
NFEN 1926
Compression strength 2
-
-
-
-
Frost resistance
Nb. de cycle
-
-
-
-
Slipperiness – dry environment
-
-
-
-
Slipperiness – wet environment
-
-
-
-