Feng Chuangling: It is a T-shaped rubber sealing strip with the shape of "T", also known as T-shaped sealing strip. It is made of tough nitrile rubber with adhesive tape on one side. Moreover, there are two kinds of windshields: the inner type is mainly used for wooden doors and windows, and the outer type is mainly used for aluminum alloy doors and windows.
Fast feather line: it is a straight strip material, similar to sponge strip, made of foam plastic. It can be directly stuffed into the door and window frame without layering. Kuailing line, also known as straight bar sealing strip, is adopted by more and more door and window manufacturers and users because of its special shape and convenient installation.
To sum up, the difference between Feng Chuangling and Kuailing Line mainly lies in the different shapes and materials. Fengchuangling is a T-shaped rubber sealing strip, and Kuailing line is a straight foam plastic sealing strip. When choosing the sealing strip, you need to choose it according to the material of doors and windows and the actual needs.