Holy Quartz Co., Ltd. -

Technical Characteristics For QuartzStone

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