Product introduction
The patent product with national utility model, 5 sealing with excellent air tightness, the product can resist severe dust storm and haze in North China;
Heavy sash material, equipped with 6mm + 12A + 6mm hollow glass;
Unique shape and multiple sealing, the sound insulation, heat preservation and water tightness of the product are improved to a new height;
The appearance of design is introverted and smooth.
Product Detail
型材、玻璃、五金合安装的理想结合，成就了高水平的隔声效果，使得在噪音严重的环境，给您和您的家人一晚安静的睡眠。
| 抗风压性 | 6级 3.5≤p3<4.0 |
| 气密性 | 7级 1.0≥q1>0.5 |
| 水密性 | 5级 500≤△p<700 |
| 隔声性 | 2级 25≤RW+Ctr<30 |
| 保温性 | 7级 2.0>k≥1.6 |
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