Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:10000 pc
Supply Capability:600000 pc/month
1)Chemical contents
SiO2 | 0.15-0.2 | MgO | 0.03-0.05 |
Al2O3 | 99-99.5 | CaO | 0.04-0.07 |
Fe2O3 | 0.05-0.2 | K2O | 0.1-0.15 |
TiO2 | 0.15-0.2 | Na2O | 0.2-0.25 |
Free : <0.01% | |||
2) Physical Properties
Bulk Density | g/cm³ | 3.5-3.6 |
Water Absorption | Weight% | 2-3 |
Compressive Strength | N /mm² | 3K |
Elasticity | GPa | 60 |
Mohs Hardness | Scale | 9 |
Specific Heat, 20℃-100℃ | J/kg.K | 840 |
Thermal Conductivity, 30℃-100℃ | W/m.K | 1-1.5 |
Coefficient Of Thermal Expansion | 10-6K-1 | 4.7 |
Heat resistance | ℃ | 1500 |
3) Characteristic Parameter
Size (Inch)-(mm) | Bulk Density(kg/m³) | Specific Surface Area (m²/m³) | Void Ratio (%) | Compressive strength (kg) |
1/8”-3mm | 2000 | 720 | 44 | 60 |
1/4”-6mm | 2000 | 520 | 44 | 160 |
3/8”-9mm | 2000 | 360 | 44 | 240 |
1/2”-13mm | 2000 | 275 | 45 | 450 |
3/4”-19mm | 2000 | 190 | 45 | 520 |
1”-25mm | 2100 | 144 | 45 | 800 |
