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SHENG YI STONE INDUSTRY CO.,LTD

0086-0757-886136968



Property on sale
Property
company SHENG YI STONE INDUSTRY CO.,LTD
Categories LED Displays
Update2011-03-15
Original RegionChina
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Property
Property Comparison With Other Relevant Materials
/
Property/Material
Unit

Crystal rock *		（）
Crystal rock(white)		marbleGranite
Specific gravity
g/cm3
2.7
2.7
2.7
.27
Compression strength
Mpa
390
Rupture strength
kg/cm2
475
510
170
150
Vickers diamond hardness
kg/cm2
530
150
70-720
Mohs'Hardness
6.5
6.5
3-5
-5.5
Water absorption
%
0
0
0.30
0.35
Diffusion reflectivity
%
80
42
44
Acid-resistance
1%H2SO4,%
0.08
0.08
10.2
1.0
Alkali-resistance
1%N2OH,%
0.05
0.05
0.30
0.1
Thermal
Expansion coefficient
X10-7/℃
25-100℃ 52
25-400℃ 60
(30-380℃)
62
80-260
50-150
Sea-water resistance
mg/cm2
0.08
0.19
0.17
Frost resistance
%
0.028
0.23
0.25
Property Comparison Of Crystallized Glass With Natural Stone
/Material/Property

Crystal rock
Granite
Metal plate
Artificial marble
Compression strength
X
X
Hardness
0
X
Abrasive resistance
0
0
Water absorption
X
Weathering quality
0
Performance for processing curved panel
0

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