Complaint
| Quality | V-HGS450 | V-HGS550 |
| Colour | Brown | Brown |
| Service temperature °C | 1150 | 1100 |
| Bulk density kg/m3 | 450 | 550 |
| Porosity % | 81 | 76 |
| Cold compressive strength MPa | 2.5 | 4.2 |
| Flexural strength MPa | 0.6-0.8 | 1.2 |
| Linear shrinkage at Service Temperature % | 1 | 1 |
| Thermal conductivity 200 °C W/m K | 0.14 | 0.16 |
| 400 °C W/m K | 0.17 | 0.18 |
| 600 °C W/m K | 0.19 | 0.2 |
| 800 °C W/m K | 0.21 | 0.22 |
| Specific heat capacity @ 400 °C kJ/kg K | 0.94 | 0.94 |
| Chemical Properties: | ||
| SiO2 % | 46 | 46 |
| MgO % | 19 | 19 |
| Al2O3 % | 7 | 7 |
| Fe2O3 % | 5.5 | 5.5 |
| CaO % | 3.5 | 3.5 |
| K2O % | 10 | 10 |
| LOI % | 7 | 7 |
| Standard Sizes: | ||
| Length mm | 1300 - 2200 | |
| Width mm | 330, 610,900, 1000 | |
| Thickness mm | 25-100 (38mm, Fire Door Core) | |
