English
Many people buy protective face masks and compare their transparency and anti fog coating repeatedly, only to end up focusing on an overlooked detail - facial fit. Many workers use ordinary face masks to prevent dust and odors from seeping in. The root cause is the gap between the mask and the face. After experiencing the Fangdun protective mask, one can intuitively feel the tight fitting protective performance.
Last week, I saw Lao Zhou at the construction site. When he changed off this mask, there were no longer the red marks on both sides of his nose bridge that he had previously squeezed out. The previous face mask had a clear mirror surface, but when polishing the tiles, dust always seeped in. It turned out that my face was wide and there were gaps in the cheekbones of a regular face mask, "he said, pointing to the seal of the new face mask." This liquid silicone sealing ring can follow the shape of my face, and after squeezing the nose clip tightly, it even sticks firmly to the temples.
This face mask design contains many clever ideas: the adjustable three-dimensional nose clip can adapt to high or collapsed nose bridges, and the side is added with elastic memory cotton, so people wearing glasses no longer have to worry about the legs of the glasses squeezing out the gaps. Xiao Li in the laboratory always complained that he could smell the reagent when wearing the mask. After replacing this mask, he found that the sealing gasket of the old mask was aging and hardening, while the sealing ring of this mask was made of anti-aging material, and it was still soft after using it for more than half a year.
There is an intuitive feeling when trying it on: when both hands cover the mask and inhale, the entire mask will slightly collapse, but when released, it can maintain negative pressure - this indicates that the edges are completely close to the skin. Dynamic testing is more obvious, as the sealing gasket always moves with the face when turning, lowering, or speaking, without any sense of air leakage. Its headband has also been widened to distribute pressure and avoid the problem of "tightening and loosening" that is common with traditional narrow headbands.
A protective face mask is not a "buy it all" equipment, as even small gaps in the face can increase the risk of inhaling dust and harmful gases. The value of Fangdun protective face mask lies in its ability to make the invisible indicator of "tightness" visible and tangible. Next time you make a purchase, why not first ensure that the face mask fits perfectly with your face - after all, safety is always hidden in details.
