Nanofiltration is a liquid-liquid separation method that allows salt and small molecular substances to pass through the nanofiltration membrane under the driving force of pressure difference, while retaining la…

The separation process of ptfe bubble point membrane has no chemical reaction, no heating, no phase transition, no destruction of biological activity, no change of flavor and aroma, so it is increasingly used i…

The size of viruses is generally between 0.02-0.3 microns, dust is generally less than 75 microns, and aerosols are between 0.001-100 microns. The diameter of dust in the air is usually 0.3-1 micron, so the PTF…

Air filters have entered the breeding industry as early as the 1970s during the breeding process of SPF experimental animals (specific pathogen-free animals). Later, in the 1990s, some genetic breeding companie…

With the rapid development of my country’s modern pig industry and the continuous improvement of people’s living standards, disease prevention and control, improved breeding, pig farm environment, p…

Although ptfe bubble point filter material is added with a certain amount of colorant, it still has good electrical insulation and is suitable for the insulation and classification identification of wires, cabl…

A large amount of practice has proved that air purification measures are the most effective way to eliminate indoor air pollution. Among these purification measures, the use of air purification materials, espec…