| Physical Properities | Metric | Value | Test Method |
| Core Density | kg/m 3 | 32--42 | GB/T 6343 -2009 |
| Initial Thermal Conductivity | W/(m·K) | < 0.024 | GB/T 10294-2008 |
| Flammability Properties | 2 | QB/T 3806 | |
| Compressive Strength | KPa | ≥ 150 | GB/T 8813 |
| Water Absorption | % | ≤ 4 | GB/T 8810 |
| Dimensional Stability | 70 ºC 48h | ≤ 4 | GB/T 8811 |
| -30 ºC 48h | ≤ 4 | GB/T 8811 |