Holy Quartz Co., Ltd. -
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| Characteristics | Unit | Range Of Values | ||
| Quartz Stone | Marble/Granite | |||
 |
Density | Kg/d m3 | 2.3 - 2.4 | 2.35-2.45 |
 |
Water absorption | % (Masse) % (Volume) |
< 0.08 0.1 - 0.2 |
0.04 |
 |
Flexural strength (Modulus of rupture) |
Mpa Mpa |
35 - 58 41.3 - 56.8 |
38.5 |
 |
Compressive strength | Mpa | 120 - 240 | --- |
 |
Surface scratch hardness | Mohs | 6 - 7 | 5 |
 |
Resistence to deep abrasion | cm3/50cm2 index mm3 |
60 - 100 58 - 63 116 - 165 |
--- --- 215 |
 |
Coefficient of linear thermal expansion |
m/m°C | 10 - 30×10-6 | 10 - 26×10-6 |
 |
Dimensional stability | --- | Class A | Class A |
 |
Surface slip resistance | --- | Honed400 R9 | Honed400 R9 |
 |
Resistance to chemicals(acids) | --- | Not affected | --- |
 |
Frost resistance | --- | Complies with the standards |
--- |
 |
Combustion reaction | --- | B1 | B1 |
 |
Surface spread of flame | --- | Suitable | --- |
Notes :
1. Indicative average figure of the values of the single components
2. In house testing in China apply Chinese standard