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How to choose a sponge seal

2021-11-29

outline:
How to choose a sponge seal

1. Check the sealing strip. When selecting the door and window sealing strip, pay attention to observe whether there are obvious cracks on the sealing strip, whether it is uneven, etc. The surface of the sealing strip is required to be clean, free of scratches, bumps, rust, smooth, uniform thickness, and no pores.
2. Intuitive observation of the sealing strip is to see whether the brightness of the section joint of the sealing strip is close to the surface color of the sealing strip. If it is close, it indicates that there is not much filler in the sealing strip material, so you can choose and buy it.
3. The quality of the sealing strip material. Wrap the sealing strip around the profile as tightly as possible, place it at high temperature for a period of time (place it on the roof or in a sunny place), and observe whether the surface of the profile and the contact surface of the sealing strip are stained and discolored, whether the surface dust of the sealing strip is yellow (if there is oil on the surface of the sealing strip, it is easy to absorb soil), whether it is stained and dirty, under high temperature irradiation, there will be no yellowing, oil seepage, dirty hands and other phenomena.

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