China Fire Resistance Magnesia Board for Office Wall Partition, Find details about China Fire Board for Fireplaces, Office Partition Wall Material from Fire Resistance Magnesia Board for Office Wall Partition
Heading | Unit Used | Inspection value | Standard |
Density | kg/m³ . | 0.96-1.12g/cm³ | GB/T7019-1997 |
Fire ratings | grade | A1 | GB 8624 |
Thermal Resistance | m² K/W | 1.14m² K/w | GB/T13475-92 |
Bending Resistance (Dry) | ≤ Mpa | 18Mpa | GB/T7019-1997 |
Bending Resistance (Fully Absorbed in Water) | ≤ Mpa | 22Mpa | GB/T7019-1997 |
Sound Insulation | dB | ≥ 44dB | GBJ121-88 |
Absorption Moisture | ≤ % | ≤ 15% | GB/T7019-1997 |
Tensile Strength | ≤ Mpa | 8-13Mpa | GB/T7019-1997 |
Impact Resistance | kj/m² | Between 2.0-2.5 are qualified, for 4mm, our board could reach 4.5 kj/m2. so our boards are good. | CNS 13778 |