声卫士 消音风管
475-Type I Energy-saving Silencing Duct
Summary： Product Model: 475-I, 800-I type products, 475-II type products, 475-III type products
 | Product structure: made of composite aluminum foil and centrifugal glass fiber, with a total of three layers from the outside to the inside. Outer layer: a composite aluminum foil composed of aluminum foil-glass fiber sandwich tape-paper, serving as the outer protective layer of the duct board. Inner layer: a high-density red glass fiber board, mainly used for the insulation and sound absorption performance of the duct. Inner surface layer: a flame-retardant antibacterial coating that tightly binds the glass fibers together, preventing them from being blown indoors after detachment. |
475-I, 800-I product characteristics:
Model | 475-I | 800-I | |
Board thickness | mm | 25 | 38 |
Board Specification | mmx mm | 1200X3000 | |
Board density | Kg/m3 | 80 | |
Thermal conductivity | W/m . K (70℃) | 0 .042 | |
Maximum wind speed | m/s | 20 | 25 .4 |
Maximum temperature | ℃ | 121 | |
Maximum static pressure | Pa | -500 ~ +1500 | |
Sound absorption coefficient | 100 ~ 5000HZ | >= 1 .08 | >= 0 .95 |
Deformation amount | % | 1500Ps≤0 .99 | |
Fire performance |
| Non-combustible Class A | |
Dust | mg/m3 | <0 . 15 | |
Classification:
Keyword： 475-Type I Energy-saving Silencing Duct
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