Difference To 60 ,70,80 Series Window And Doors

- Feb 22, 2019-

The aluminum doors and windows of broken bridges are becoming more and more common. Everyone knows that it is soundproof, heat insulation and energy saving. However, many people have learned about the broken bridge aluminum.

Broken bridge aluminum doors and windows from the former 50 series, 55 series to the current 60 series, 65 series, and even higher end 70 series, 80 series. So what do these so-called 55, 65, 70, 80 mean, what does it mean?


Simply put, these numbers represent the width of the broken aluminum sash that falls on the window sill. For example, the 55 series is that the window frame falls on the window sill and the width occupied is 5.5 cm. From this, it is known that 60 is 6 cm, 65 is 6.5 cm, 70 is 7 cm, and 80 is 8 cm.


In fact, apart from the width of the window frame, they differ in the wall thickness and seal of the profile. Take the most common 60 and 70 series:


Four differences between the 60 series and the 70 series


First, the wall thickness


The 70 series is made of aluminum with a wall thickness of 1.8 mm, and the aluminum alloy with a wall thickness of 1.4 mm is used for the 60 series. Insulation effect, the degree of strength 70 is much better than the 60 profile.


Second, the glass


70 series profiles use 5+22+5 (two pieces of 5mm thick glass, the middle air layer is 22mm) of insulating glass, 60 series profiles use 5+12+5 (two pieces of 5mm thickness glass, middle The air layer is 12 mm) of insulating glass. The 70 series is much higher than the 60 series.


Third, the overall shape


The 70 series profile has a width of 7 cm and the 60 series profile has a width of 6 cm.


Fourth, the number of seals


The broken bridge aluminum 70 series uses a 10-way sealing plan, while the 60 series is a 6-way sealing plan, so the 70 series is airtight and heat-insulating is stronger than the 60 series.


The simplest option for us is that the home is not surrounded by roads or squares, and the winter heating is warm, so choose the 60 series of broken aluminum windows. Assuming that the surrounding environment is very noisy and requires excellent sealing, sound insulation and warmth, then choose the 70 series of broken aluminum windows.


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