| Customization: | Available |
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| Type: | Surface |
| Size: | 600mm*600mm |
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| Test Item | Technical Requirements | Test Result | |
| Appearance Quality | The surface of acoustic mineral fiber ceiling board should not have any stain, scratch, color uniformity, and the product should not have flaws, fragment and broken corners affecting the normal use. | ü | |
| Dimensions and Tolerances | Length, mm | ±2.0 | +0.7 |
| Width, mm | ±2.0 | +0.7 | |
| Right-angle Deviation | ≤5/1000 | 1/1000 | |
| Volume Density, kg/m3 | ≤500 | 316 | |
| Moisture Content | ≤3.0 | 2.0 | |
| Noise Reduction Coefficient | 0.4-0.6 | 0.55 | |
| Bending Strength, N | ≥90 | 150 | |
| Humidity Resistance | ≥85% | 90% | |
| Internal Exposure Index, IRa | ≤1.0 | 0.1 | |
| External Hazard Index, Ir | ≤1.3 | 0.1 | |
| Light Reflectivity | ≥85% | 90% | |
| Air Cleanness Class(GMP) | ≥Class C | Class B | |
| Paint Film Mold Resistance | ≥Class 1 GB/1741-2007 | Class 1 | |
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