Otta QuartzitePolished Finish
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SURFACE | SIZE SUGGESTION | |
Polished | 300/400*F.L*10MM | 600*600*10MM |
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Otta is an almost black phyllite with hornblende and garnet crystals visible in the surface as glittering spots. Hornblende crystals are seen even better when the surface of Otta has been honed, resulting in a pattern almost three dimensional.
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TEST | STANDARD | VALUE |
Petrografic analysis | Phyllit | |
Density | NS-EN 1936 | 2810 Kg/m3 |
Water absorption | NS-EN 13755 | 0.2% by weight |
Flexural strength | NS-EN 12372 | 44.5 MP |
Abrasion resistance | NS-EN 14157(A) | 25.0 mm |
Slip resistance | NS-EN 14231 | 64 SRV, dry |