Heat insulation broken bridge aluminum doors and windows models are divided into 50, 55, 60, 65, 70, 75, 80 series, the most commonly used are 60, 70, and 80 series.
The difference between them is not only that the material width is different, but also the wall thickness and specific gravity of aluminum profiles are different, just broken bridge aluminum 55 series and 70 series for example.
1. Broken Bridge aluminum 55 series refers to broken bridge aluminum profile width is 5cm, wall thickness is 1.4mm, hollow glass it uses 5 12A 5 glass and is designed with three sealing strips.
2. Broken Bridge aluminum 70 series refers to broken bridge aluminum profiles with a width of 5cm, and some brands with wall thickness are 1.8MM, the wall thickness of different Broken Bridge aluminum brands is also different. Hollow glass uses 5 22A 5 glass, which is a super ten-Channel sealing design.
Refer to 70 series profile drawings
Insulation broken bridge aluminum doors and windows brands are divided into: Zhongwang, Rixiang doors and windows, automotive grade soundproof window etc.
In short, when purchasing broken bridge aluminum doors and windows, we still need to look for big brands and regular enterprises, and don't seek those small workshops for processing at a low price.