Is Broken Bridge Aluminum Doors and Windows 60 Good Or 70 Good?

Broken bridge aluminum doors and windows it has become the first choice of door and window materials for our home decoration doors and windows. At the same time, there are many brands and models of broken bridge aluminum doors and windows, which are well known as 60 and 70 series, then which is better, 60 or 70, and what is the difference between them?
I. Specifications:
zhongwang 70 series profiles use 5 22 5 hollow glass, Zhongwang 60 series the profile uses 5 12 5 hollow glass. In terms of sound insulation and cold insulation, 70 series is much higher than 60 series.
II. Overall profile:
the width of Zhongwang 70 series profile is 7cm, and the width of Zhongwang 60 Series Profile is 6cm
III. Wall thickness:
zhongwang 70 series adopts aluminum with a wall thickness of 1.8mm, while Zhongwang 60 series adopts aluminum with a wall thickness of 1.4mm. Heat preservation effect, the degree of firmness must be 70 profiles are much better than 60 profiles.
IV. Number of sealing strips:
zhongwang broken bridge aluminum 70 series adopts 12-channel seal design, while 60 series adopts 6-channel seal design, so the air tightness and heat insulation of 70 series are stronger than 60 series.

The picture shows 60 profiles, 1.4mm wall thickness, 6 seals

the picture shows 70 profiles, 1.8mm wall thickness, 12 seals