The COVID-19 epidemic is approaching fiercely. As a combat tool during the epidemic prevention period and the resumption of work, masks are not all masks that can provide good prot…

Filtration is currently one of the most commonly used methods to separate solid particles in liquids, and filtration is inseparable from some filter materials and equipment. Today …

Generally speaking, in a relatively closed indoor environment, it is necessary to ventilate with the outdoor environment from time to time. If ventilation is not performed for a lo…

Generally speaking, the conventional production method of polytetrafluoroethylene microporous membrane is: mix polytetrafluoroethylene dispersion resin and liquid additives, make t…

We all know that during the indoor ventilation process, pollutants in the outdoor air such as solid particles, sulfur dioxide, and nitrogen oxides will enter the room along with th…

Facing the increasingly serious environmental pollution problem, indoor environmental management and protection can be said to be the last line of defense for human health. In orde…

Many indoor pollutants now mainly include fine particles, gaseous pollutants, microorganisms, bacteria, viruses, etc. To remove indoor pollutants, air filters with multiple layers …

As people’s awareness of environmental protection increases, more and more people choose to use some filter materials with excellent performance. Teflon air filter membrane i…

In the non-woven industry, there are many common types. PP spunbond polypropylene non-woven fabric is a commonly used one. It is characterized by good filterability and strong abso…