2023 年 12 月

In recent years, with the advent of haze weather, everyone is familiar with the term PM2.5, but many people do not know that in the indoor air environment, the content of PM2.5, be…

As people pay more and more attention to health, safety and hygiene, many aircraft owners have begun to pay more attention to the sanitary conditions inside the aircraft. In fact, …

The main function of the fresh air system is to circulate fresh air from outside the aircraft into the cabin. Since the air entering the cabin from the outside is always “fre…

The ptfe bubble point film composite material has high-density micropores, which is refreshing and breathable. The film has the excellent characteristics of micropores, hydrophobic…

Air filters are hidden in various parts of the air handling device and contribute greatly to fan resistance. Unlike other components in your ventilation system, upgrading to low-en…

The advantages of polypropylene such as its light weight, high strength, acid and alkali resistance, and the development of various differentiated polypropylene products have made …

In a typical commercial building, 50% of energy costs are spent on the HVAC system, and 30% of the HVAC system is directly related to air filters, but this part is often overlooked…

Among the major chemical fiber varieties in my country, polypropylene is a relatively late development variety. China began the research and development of polypropylene in the 198…

In the 1970s, the United States, Italy, the Czech Republic and other countries began to develop polypropylene fine denier yarn. Conventional polypropylene has the disadvantages of …