At present, the main products circulating in the domestic market are heat insulation strips made of PVC and PA66 plastic matrix. Now let's talk about the difference between the two types of insulation strips.

Generally speaking, PVC heat insulation strips have the advantages of beautiful appearance and low price. However, due to the low strength and poor heat resistance of PVC resin, the overall strength and safety of processed insulated aluminum doors and windows cannot be guaranteed.

At present, only PA66 insulation strips can meet the performance requirements of energy-saving door and window insulation strips. This is why some broken bridge aluminum doors and windows on the market are expensive.

It is impossible to choose some cheap PVC heat insulation strips and broken bridge aluminum doors and windows. Not only did they not play a role in air tightness, water tightness, and wind pressure resistance, but also did not play a role in heat preservation, heat insulation, and sound insulation. To work. If you use PVC insulation strips, it will not play the role of your wife. It can be said that it is better than nothing.