product introduction
scientific and reasonable profile structure can satisfy user's demand on large space opening;
it is designed with multiple sealing to effectively improve the waterproof property the foldable structure;
with high-strength hardware which moves along the middle shaft, it features longer stability.
enhance the field of view, approach the nature with zero distance.
product detail
the sealing material has good weatherability and can also maintain good sealing performance at high or lower ambient temperature.
| wind | 6 level 3.5≤p3<4.0 |
| airtightness | 6 level 1.5≥q1>1.0 |
| water tightness | 4 level 350≤△p<500 |
| sound insulation | 4 level 35≤rw ctr<40 |
| thermal insulation | routine |
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