The hazy sky contains more than 20 kinds of fine particles and toxic substances harmful to the human body, including dust, pollen, mites, influenza viruses, tuberculosis bacteria, pneumococcus, etc., and the content is several dozen times that of ordinary atmospheric water droplets. Haze is absorbed through breathing and skin, causing harm to the human body. The respiratory system is one of the most affected organs. Mild cases cause colds or pneumonia, and severe cases cause asthma, COPD, and even lung cancer. Factors such as smoking and occupational exposure multiply the dangers of smog.

"Drug-resistant bacteria" in smog, doors and windows need PU foam seals to isolate

It is made of PE outer film, high-resilience PU foam as the main raw material, and contains a PP skeleton. Therefore, the sealing strip has a compression deformation of less than 10%, ensuring that it can be applied to doors and windows. The tightness of the sealing strip and the PE outer film greatly increase the service life of the product. Not only are the colors rich and gorgeous, but there are more options. The PP skeleton in this material also has a very good fixing effect on the product. , After the installation is successful, it can effectively prevent the product from shrinking.