How to choose the sealing strip of electrical cabinet?
1. Smell
Use your nose to smell whether the sealing strip of electrical cabinet has any peculiar smell. The normal material will only have a little smell, which is almost negligible.
2. Pull by hand
Take a sealing strip of electrical cabinet and tear it at the thinnest part. The greater the force, the higher the glue content, which means the comprehensive performance of this sealing strip is very good, so you can consider purchasing it.
Take the sealing strip of electrical cabinet in your hand, and two people, one at each end, pull it to both ends like a rope, first to see if it can be broken, and then to see if it can rebound to the original length, the better the elasticity of the sealing strip, It shows that after installation, it will not be deformed due to long-term pressure shutdown.
3. Scratch with your nails
Sealing strip of electrical cabinets made of poor materials have low glue content, and the surface of the strip is easy to be scratched white. After this kind of sealing strip is installed, as long as there is a hard object collision or a slight scratch, it will cause the sealing strip to turn white. , very ugly.
4. Observe the surface
Some cheaper sealing strip fillers will have a lot of filler, and the surface will not be very bright. Look at the cross-section joint of the sealing strip of electrical cabinet, whether the brightness is close to the color of the surface of the sealing strip, if it is close, it means that the sealing strip material does not contain much filler, you can buy it.