it adopts golden steel mesh integrated design, 2 colors are available for the broken bridge;
the principles of equal pressure and rain curtain are used to improve the water tightness and air tightness of the whole window.
the unique golden steel screen installation structure has higher safety performance;
adopting epdm foaming strip, the cavity is filled with foaming plastic, which can improve thewater tightness, air tightness and heat preservation performance of the whole window;
it can be configured with hollow louvered glass to improve the comfort.
the outer and inner fans are designed by the principle of isobaric, using the optimized double fins to coextrusion the middle three epdm sealant in the middle, with excellent sound insulation and air tightness.
|performance||the performance of this series of products||performance of ordinary doors and windows|
|water tightness||6级 △p≥700||≤3级|
|anti wind pressure||9级 p3≥5.0||≤6级|
|thermal insulation||6级 2.5>k≥2.0||≤2级|
|sound insulation||4级 35≤rw ctr<40||1级|