Antique
Antique is an anorthosite that features a warm brown background with an intriguing interplay of blue, turquoise, and brown crystals. Each slab is unique, with variations in lines, colours, and crystal sizes, resulting in a vibrant and characteristic surface. It is a popular choice for facades, countertops, tiles, and flooring, suitable for both indoor and outdoor use.
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Technical properties
|
Value |
Unit
|
Standard
|
|
Compressive strength
|
Average: 155,5
|
Mpa
|
EN 1926
|
|
Flexural strength
|
Average: 10,7
|
Mpa
|
EN 12372
|
| Abrasion resistance |
Average: 17,5
|
mm
|
EN 14157
|
|
Slip resistance, honed surface (dry)
|
Average: 50
|
SRV
|
EN 14231 |
|
Slip resistance, honed surface (wet)
|
Average: 11 |
SRV
|
EN 14231
|
|
Apparent density
|
Average: 2698
|
kg/m3
|
EN 1936
|
|
Open porosity
|
Average: 0,27 | % |
EN 1936
|
|
Water absorption
|
Average: 0,09 | weight % |
EN 13755
|
|
Rupture energy
|
Average: 5,2
|
J
|
EN 14158
|
|
Breaking load at dowel holes
|
Average: 3727 | N |
EN 13364
|
| Petrographic composition * | Standard EN 12407 | Value | |
| Potassium feldspar | 92 % | ||
| Pyroxene | 5 % | ||
| Opaque minerals | 1,5 % | ||
| Chlorite | 1,5 % |
* Only main minerals are listed
Tested by SINTEF (2019)
