In 2020, due to a sudden epidemic, melt-blown materials are in short supply all over the world, and there is a high-end filter material to replace melt-blown materials.
That is PTFE (polytetrafluoroethylene) material! PTFE nano mask cloth produced with PTFE (polytetrafluoroethylene) material as the main raw material has become a new direction for the development of masks in the future! The mask made of ptfe nano mask cloth has become an efficient medical protective mask due to its efficient filtration performance.
Similar to ordinary medical masks, nano antibacterial masks also include an outer layer, a middle layer, an inner layer, ear hooks, nose clips and other parts.
The special thing about nano masks is that the middle layer is made of nano membrane with smaller pore size (100-200 nanometers), which is generally made of PTFE material.
The PTFE film prepared by one-way or two-way stretching method has a spider web-like microporous structure on the surface. The three-dimensional structure has very complex changes such as network connectivity, hole nesting, and channel bending, so it has excellent surface filtering function.
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