In addition to internal (mainboard) waterproofing, mobile phone waterproofing also requires external waterproofing, such as mobile phone cases. , waterproof treatment of acoustic devices such as earpieces, microphones and speakers, Teflon air filter membrane is a good material.
Large particles of dust in the air are blocked by the human nasal cavity. Small particles of dust may enter the trachea and lungs with the airflow. These dusts are swallowed and digested by the “macrophages” in the trachea and lungs. Macrophages Bacteria and viruses that cannot be eaten by cells will also be eliminated by white blood cells.
Teflon air filter membrane is made by special processes such as mixing, extrusion, extrusion, calendering, and biaxial stretching. Moreover, the pore size of the material is small and the distribution is concentrated, achieving surface filtration to achieve a dust removal efficiency of 99.9%~99.999%. For some extremely fine particles with a diameter of 0.1um-0.3um, it can better prevent fine dust from entering the filter material. It can operate at a continuous operating temperature of 240°C and an instantaneous temperature of 260°C.
It is a high-tech enterprise focusing on the R&D, production and sales of Teflon air filtration membranes. It has a factory area of nearly 8,000 square meters and professional production equipment. It is a cooperation with the top 500 companies in the United States. Partner; the products we produce are all produced from imported raw materials, with finer molecular weight, cleaner quality and better uniformity. Moreover, we have a full set of advanced production equipment and testing instruments, as well as a complete pre-sales, sales and after-sales service system. If you are interested, please visit the store for consultation. </p
