GLASSOS ® Crystallized Glass

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GLASSOS®   Brand Crystallized Glass Specifications             home    back

ASTM of Crystallized Glass
Test  

 Standard

 

Result 

Specific Gravity  

 ASTM

 

 2.7

 Water Absorption 

 ASTM

 

 0.02%

 Flexural Strength (dry) 

 ASTM

 

 33 Mpa

 Coefficient of Friction (dry) 

 ASTM

 

 0.9

 Behavior in Fire 

DIN 4102

 

 A1

Product Properties

Cystallized Glass compared with Granite and Marble
 Properties       UnitGLASSOS®       Marble            Granite     
 Specific Gravity 

 g/cm3

 

 2.7

 

2.5 

 

 2.7

 Compression Strength 

 Mpa

 

 400

 

 220

 

 295

 Rupture Strength 

 Mpa

 

 35

 

 15

 

 20

 Charpy Impact Strength 

 Kj/m2

 

 3.34

 

 1.9

 

 2.5

 Mohs' Hardness 

 

 

 6-6.5

 

 3-5

 

 5.5-6

 Water Absorption 

 %

 

 0.02

 

 0.3

 

 0.35

 Diffusion Reflectivity 

 %

 

 85

 

 55

 

 66

 Acid Resistance 

1%H2 OSO4,%

 

 0.08

  

 10.2

 

 1

 Alkali Resistance 

 1% NaOH, %

 

 0.05

 

0.3

 

 0.1

 Thermal Expansion Coefficient   

 X10-7/C

 

 25-400C 60

 

 80-260

 

50-150 

 Radioactivity  

 not exist

 

exist

 

exist

 

 

 


 

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MOHS SCALE of MINERAL HARDNESS

Hardness

Substance or Mineral

1

Talc

2

Gypsum

2.5 to 3

pure Gold, Silver, Aluminum

3

Calcite, Copper penny

4

Fluorite

4 to 4.5

Platinum

4 to 5

Iron

5

Apatite

6

Orthoclase

6

Titanium

6.5

Iron pyrite              

GLASSOS®

6 to 7

Glass, Vitreous pure silica

7

Quartz

7 to 7.5

Garnet

7 to 8

Hardened steel

8

Topaz

9

Corundum

9 to 9.5

Carborundum

10

Diamond

>10

Ultrahard Fullerite

>10

Aggregated diamond nanorods

Hardness  ↓

Mineral  ↓

Absolute Hardness  ↓

1

Talc

(Mg3Si4O10(OH)2)

1

2

Gypsum (CaSO4·2H2O)

2

3

Calcite (CaCO3)

9

4

Fluorite (CaF2)

21

5

Apatite

(Ca5(PO4)3(OH-,Cl-,F-))

48

6

Orthoclase Feldspar (KAlSi3O8)

72

7

Quartz (SiO2)

100

8

Topaz (Al2SiO4(OH-,F-)2)

200

9

Corundum (Al2O3)

400

10

Diamond (C)

1500