This material is made of ePTFE microporous material by unique nano-technology. The PTFE membrane has a micropore structure with small pore size, high porosity and irregular permutation.The effeciency for diameter 0.3um particulate above 95%. It has excellent performance to block PM2.5 particulate, dust mite, virus & bacteria. The PTFE filtration membrane with a wide application, such as N99, N95, KF94, FFP3 mask, medical masks, medical cloth, outdoor gloves, sleeping bag etc.
