Exclusive Suppliers of GLASSOS® Brand Crystallized Glass
About Us
GLASSOS® Brand Crystallized Glass Specifications
 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 - Cyrstallized Glass Compared with Granite and Marble
Properties Unit GLASSOS® 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 56
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
CCS MSDS Requirements for GLASSOS® Brand Products
This product is not considered to be or to contain hazardous chemicals based on evaluations made by our company under the OSHA Hazard Communication Standard, 29 CFR 1910.1200
 MOHS Scale of Mineral Hardness
Substance or Mineral Hardness
Talc 1
Gypsum 2
Pure Gold, Silver, Aluminum 2.5 to 3
Calcite, Copper Penny 3
Fluorite 4
Platinum 4 to 4.5
Iron 4 to 5
Apatite 5
Apatite 5
Orthoclase 6
Titanium 6
Iron Pyrite 6.5
GLASSOS®
Glass, Vitreous Pure Silica 6 to 7
Quartz 7
Garnet 7 to 7.5
Hardened_Steel 7 to 8
Topaz 8
Corundum 9
Carborundum 9 to 9.5
Diamond 10
Ultrahard Fullerite >10
Aggregated Diamond Nanorods >10
Mineral Hardness Absolute Hardness
Talc (Mg3Si4O10(OH)2) 1 1
Gypsum (CaSO4-2H2O) 2 2
Calcite (CaCO3) 3 9
Fluorite (CaF2) 4 21
Apatite (Ca5(PO4)3(OH-,Cl-,F-)) 5 48
Orthoclase Feldspar (KAlSi3O8) 6 72
Quartz (SiO2) 7 100
Topaz (Al2SiO4(OH-,F-)2) 8 200
Corundum (Al2O3) 9 400
Diamond (C) 10 1500
GLASSOS® is a registered trademark of CCS Stone, Inc.
GLASSOS® brand products are sold exclusively through CCS Stone and certified GLASSOS® distributors and fabricators
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