Generally, how long can Broken Bridge aluminum doors and windows heat insulation strip last? Broken Bridge aluminum doors and windows can basically be used for more than 20 years now. Broken Bridge aluminum doors and windows it is not surprising that there are three kinds of heat insulation strips. Currently, there are three kinds of heat insulation strips, which are made of PVC, PA and PU. The first two are the extrusion process, and the latter is the glue injection process. The state stipulates that aluminum alloy broken bridge windows made of PA66 as raw materials should be used, otherwise the service life of broken bridge windows will be greatly shortened. The other two kinds of heat insulation strips are not as good as those made of PA as raw materials, regardless of their service life or the quality of finished products.
However, in order to reduce costs on the market, unscrupulous merchants will use PVC plastic insulation strips with relatively low prices, so they must learn to identify the difference between PA and the other two when choosing. It can be roughly distinguished by the following two points:
1. Look at the gloss. The surface of PA66 insulation strip is a kind of matte treatment, and the color is black; On the contrary, PVC insulation strip looks very smooth and bright in color.
2. Look at the burning degree. The insulation strip of PA66 is non-combustible, but after burning PVC strip for a while, you will see a small flame lit by the bear, and you will smell a smell of plastic along with it.
High-quality Broken Bridge aluminum materials with high-quality door and window hardware, then your broken bridge aluminum doors and windows have been used for 20 to 30 years without any problem. It is really called a good horse with a good saddle. Of course, good doors and windows cannot be separated from good aluminum and good hardware.
