Norwegian
Rose marble, with its unique colour and pattern, is one of Norway's most famous
building stones and renowned through the world.
Used for decoration, such as for
tabletops, mantelpieces, and bathroom floors and walls, to name
but a few
purposes, this beautiful and durable marble fully deserves the worldwide
reputation
it continues to enjoy.
2. choice
white,
but it in addition this quality may have some black, brown and green
colouring.
Technical qualities:
Table 1.
Test
no |
Specific
gravity |
Water
absorption weight |
Bending
strength [N/mm2] |
Compressive
strength |
1
2
3
4
5 |
2,76
2,75
2,75
2,76
2,76 |
0,08
0,09
0,09
0,10
0,11 |
11,8
13,2
12,6
13,9
11,4 |
121,4
91,9
84,8
78,6
116,8 |
Average |
2,76 |
0,09 |
12,6 |
98,7 |
Table 2. Thermal growth [10-6
/ șC]
Test-
cycle |
Test
no. 1 |
Test
no. 2 |
||||||
23
șC to 70 șC |
23
șC to -20 șC |
23
șC to 70 șC |
23
șC to -20 șC |
|||||
” |
average |
” |
average |
” |
average |
” |
average |
|
1 |
8,3 |
8,3 |
1,8 |
1,8 |
6,9 |
6,9 |
1,3 |
1,4 |
2 |
8,2 |
1,7 |
6,8 |
1,4 |
The tested Norwegian Rose sample has a thermal growth of 4,1
x 10-6 / șC in a temperature
range between -20 șC to +70 șC
Test-
piece |
Abrasion
in mm after |
Weight
loss in gram after |
||||||
1000
RPM |
2000
RPM |
1000
RPM |
2000
RPM |
|||||
|
average |
|
average |
|
average |
|
average |
|
1 |
3,46 |
3,35 |
6,78 |
6,71 |
37,44 |
35,99 |
72,61 |
71,52 |
2 |
3,23 |
6,64 |
34,53 |
70,42 |
The tested Norwegian Rose sample has the following abrasion
characteristic after ASTM D1242-87: 6,7 mm