Multifunctional door bottom sealing brush

First, it has the function of sealing and dustproof. The tight brush strip can prevent dust from entering the indoor space, which is particularly obvious in the wind, sand and dust storm environment. It can effectively prevent dust and sand from entering the room and keep the room clean and tidy. It has the functions of heat preservation, energy saving and environmental protection. It's very hot. I need to turn on the air conditioner to cool down. The cold air blown by the air conditioner will slip under the I] slit. If the door bottom sealing wool is installed on the door seam, 98.5% air loss can be effectively prevented. The cold winter also prevents the cold air from blowing into the warm room. Turning on the heating can also prevent the loss of heating. At present, many large-scale cold storage and subway high-speed railway shields use such brush strips. The other is to reduce noise. The noise will be introduced into the room along with the gap between the doors, and it will also affect our sleep at night. At this time, the brush installed under the door can play a sound insulation role. It can reduce the sound decibel. Of course, although it is not as effective as sound insulation equipment, it can also effectively reduce noise.