First of all, this mask meets basic protection needs and complies with the national standard GB2626-2019. It uses kn95 mask filter membrane and becomes an alternative to traditional melt-blown cloth to block tiny dust.
The surface has a spider web-like microporous structure, with 1.4 billion micropores per square centimeter and a pore size of less than 0.3 microns, so the surface has a good filtering function.
It is a manufacturer of polytetrafluoroethylene microporous membranes that specializes in R&D, production and sales.
The materials of the products produced by our company are all imported raw materials, with high uniformity, stable performance and good breathability.
It also has high filtration efficiency and can meet the filtration efficiency level requirements of sub-high efficiency, high efficiency and ultra high efficiency filters.
</p