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| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | 2 Years |
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Size (mm) | Standard dimensions (mm) | 1500*2100(double -door),900*2100 (single -door) |
Slandard thickness (mm) | 64, 89(Other sizes can be customized) | |
Frame Material | 2.0 mm Galvanized steel plate | |
Filling Material | Sound - absorbing rock wool board,gypsum sound - insulation board | |
Noise Reduction Range | 40-55dB | |
Average Weight | 80-120kg/m2 | |
Color | Customizable | |
SurfaceTreatment | Baking -varnish surface decoration.wood -grain transfer printing. | |





Door Mode | Sound-Lock M-50 | Sound-Lock M-53 | Sound-Lock M-54 | Sound-Lock M-61 | Sound-Lock M-64 | ||
Acoustic Rating | Rw | 49 | 52 | 53 | 59 | 63 | |
R'w | 45 | 48 | 48 | 59 | 61 | ||
STC | 50 | 53 | 54 | 61 | 64 | ||
NIC | 46 | 48 | 49 | 56 | 59 | ||
Leaf Thickness | 70mm | 70mm | 90mm | 90mm | 127mm | ||
Octave Band Centre Frequency | 63 | Sound Propagation Loss,dB | 21 | 22 | 24 | 24 | 25 |
125 | 27 | 31 | 32 | 35 | 35 | ||
250 | 37 | 45 | 52 | 56 | 56 | ||
500 | 40 | 52 | 54 | 58 | 60 | ||
1k | 44 | 53 | 52 | 60 | 65 | ||
2k | 42 | 54 | 52 | 60 | 67 | ||
4k | 45 | 58 | 61 | 68 | 70 | ||
8k | 48 | 63 | ≥61 | 73 | 75 | ||
Weight | 58kg/m2 | 60kg/m2 | 65kg/m2 | 80kg/m2 | 86kg/m2 | ||
For acoustic performance <50dB,please see NCC Acoustics'range of Sound-Lock Doors | |||||||








