when choosing doors and Windows, we should not only look at the door and window profiles, glass and hardware accessories, but also need to look at the sealing rubber strip, because if the sealing rubber strip is not good or poor quality, it will directly affect the sealing heat insulation performance of doors and Windows. Today Xiaobian from the multidimensional analysis of doors and Windows sealing rubber strip how to choose is good quality, I hope to help you!

Check the sealing rubber strip

When we choose the sealing rubber strip, we should pay attention to observe whether there are obvious cracks or uneven on the surface of the rubber strip. Under the condition of normal quality, the surface of the sealing rubber strip should be smooth and flat without scratches and uniform thickness without pores. If the above situation occurs, it is proved that the sealing rubber strip is unqualified and must be replaced, otherwise it is easy to have problems for a long time.

Observe the sealing rubber strip directly

In fact, the good and bad of the sealing rubber strip can be seen by the naked eye, such as whether the section joint light of the sealing rubber strip is close to the surface color from the point of brightness. If the sealing colloid section joint is close to the surface color of the sealing rubber strip, it means that the filling material of this rubber strip is not much, you can rest assured to choose.

From the sealing rubber strip material quality

The sealing rubber strip is placed at high temperature for a period of time (on the roof or in a sunny place), observe whether the surface of the profile and the sealing rubber strip contact surface is stained and discolored, whether the dust on the surface of the sealing rubber strip is yellow (if there is oil on the surface of the sealing rubber strip, it is easy to absorb soil) oil seepage, whether dirty hands, the sealing rubber strip surface of the system door and window brand with excellent material, Dustproof, oil resistance, high temperature resistance, in high temperature irradiation will not appear yellow oil, dirty hands and other phenomena.