| Property | Value | Description |
|---|
| Compressive strength (general) | 21~40 MPa | Compressive strength |
| Compressive strength (high) | 40~80 MPa | High-strength concrete |
| Tensile strength | 2~4 MPa | Tensile strength (~10% of compressive) |
| Elastic modulus | 25~35 GPa | Elastic modulus |
| Density | 2,300~2,500 kg/m³ | Density |
| Thermal conductivity | 1.0~1.8 W/m·K | Thermal conductivity |
| Thermal expansion | 10~12 ×10⁻⁶/°C | Thermal expansion coefficient |
| Fire resistance | 1~4 hours | Fire resistance (varies by thickness) |
| Poisson's ratio | 0.15~0.20 | Poisson's ratio |
| Property | Value | Description |
|---|
| Yield strength (SS400) | 235 MPa | Yield strength |
| Yield strength (SM490) | 315 MPa | Yield strength |
| Tensile strength (SS400) | 400~510 MPa | Tensile strength |
| Elastic modulus | 200 GPa | Elastic modulus |
| Density | 7,850 kg/m³ | Density |
| Thermal conductivity | 50 W/m·K | Thermal conductivity (high!) |
| Thermal expansion | 12 ×10⁻⁶/°C | Thermal expansion coefficient |
| Poisson's ratio | 0.30 | Poisson's ratio |
| Fire: unprotected failure | ~550°C | Unprotected strength loss temp |
| Property | Softwood | Hardwood | Glulam |
|---|
| Bending strength | 20~40 MPa | 40~80 MPa | 24~46 MPa |
| Compressive (parallel) | 15~25 MPa | 25~50 MPa | 21~33 MPa |
| Elastic modulus | 8~12 GPa | 10~16 GPa | 10~14 GPa |
| Density | 350~550 | 500~900 | 400~600 |
| Thermal conductivity | 0.12~0.17 W/m·K (Excellent insulation) |
| Fire: charring rate | 0.6~0.8 mm/min |
| Property | Float | Tempered | Laminated |
|---|
| Bending strength | 45 MPa | 120~200 MPa | 45 MPa |
| Elastic modulus | 70 GPa |
| Density | 2,500 kg/m³ |
| Thermal conductivity | 1.0 W/m·K |
| U-value (single 6mm) | 5.7 W/m²·K |
| U-value (double 6+12+6) | 2.7 W/m²·K |
| U-value (Low-E double) | 1.5~1.8 W/m²·K |
| U-value (triple Low-E) | 0.7~1.0 W/m²·K |
| Material | λ (W/m·K) | Density | Description |
|---|
| EPS (Expanded Polystyrene) | 0.032~0.040 | 15~30 | Expanded polystyrene |
| XPS (Extruded Polystyrene) | 0.028~0.036 | 25~45 | Extruded polystyrene |
| PIR/PUR (Polyurethane) | 0.020~0.028 | 30~60 | Rigid polyurethane foam |
| Glass Wool | 0.032~0.044 | 10~80 | Glass wool |
| Rock Wool | 0.034~0.045 | 40~200 | Rock wool (excellent fire resistance) |
| Phenolic Foam | 0.020~0.025 | 35~50 | Phenolic foam (best performance) |
| VIP (Vacuum Insulation) | 0.004~0.008 | 150~300 | Vacuum insulation panel |