Aluminum alloy doors and windows profiles 80,868 What does it mean?

Aluminum alloy doors and windows profiles 80,868 What does it mean?

Aluminum width 80 on behalf of the aluminum profile width of 80MM 868 generally represents the width of aluminum 86.8, there are manufacturers 85 86. Basically that is the meaning of that

Section is not the same Let's talk about the structure of aluminum alloy doors and windows: aluminum windows and doors windows and windows and windows and windows in two parts; window frame is a fixed part and the wall connection; sash and window frame is connected to push or flat open that part; 80,868 refers to the window frame profile outside the measurement thickness, not the thickness of aluminum; 80 on behalf of the aluminum frame profile size 80 thickness is 80mm, 868 is 86.8mm; The larger the number, the larger the thickness of the profile is, and the firmness is firm; the cost is high;