| Items | Vermiculite board | Test Standard |
| Bulk Density | 400kg/m3～500kg/m3 | GB/T5486-2008 8 |
| SiO2 （%） | 48.91 | / |
| Al2O3（%） | 9.89 | / |
| Fe2O3(%) | 4.80 | / |
| CaO(%) | 2.18 | / |
| MgO(%) | 19.89 | / |
| K2O | 6.86 | / |
| Water Contact | <5% | GB/T5486-2008 8 |
| Cold Crushing Strength | >1.6 MPa | GB/T5486-2008 6 |
| Volumetric Water Absorption | 11% | GB/T5486-2008 9 |
| Bending Strength | >2.5MPa | GB/T5486-2008 7 |
| Tensile Strength | >2MPa | GB/T10295-2008 |
| Frost Resistance | 10 Times | GB/T4111-2019 12 |
| Thermal Conductivity | GB/T10295-2008 | |
| 200℃ | 0.101W/m.k | / |
| 400℃ | 0.135W/m.k | / |
| 600℃ | 0.153W/m.k | / |
| 800℃ | 0.160W/m.k | / |
| Dimension Tolerance(70℃±2℃) | GB/T8811-2008 | |
| Length | 0.1% | / |
| Width | 0.1% | / |
| Thickness | 0.2% | / |
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