Customization: | Available |
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CAS No.: | 66402-68-4 |
EINECS: | 266-340-9 |
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SiO2 | 68-72 | MgO | 0.6 |
Al2O3 | 18-22 | CaO | 0.6 |
Fe2O3 | Max. 1 | K2O | 3.5-4.5 |
Na2O | 0.1-0.3 | ||
Soluble Fe: <0.01% | |||
Acid resistance: 99.5%(DIN51102 sheet 2) |
Density | g/cm³ | 2.3-2.4 |
Water Absorption | % | 0-0.5 |
Compressive Strength | N /mm² | 300-500 |
E-Modulus | GPa | 60 |
Mohs Hardness | Scale | 7-8 |
Specific heat, 20°C-100°C | J/kgK | 840-920 |
Thermal Conductivity 30°C-100°C | W/mK | 1-1.5 |
Coefficient of thermal expension | (20°C-600°C)10-6K-1 | 4.7 |
Heat Resistance | Up to °C | 1100 |
Size (mm) |
Specific area m2/m3 |
Void rate % |
Bulk number Pieces/m³ |
Bulk density Kg/m³ |
12 | 647 | 68 | 610000 | 780 |
16 | 535 | 71 | 269000 | 700 |
19 | 350 | 75 | 146000 | 670 |
25 | 254 | 77 | 59000 | 630 |
38 | 180 | 80 | 19680 | 580 |
50 | 120 | 79 | 8243 | 550 |
76 | 81 | 75 | 2400 | 530 |