1. Frá sjónarhóli stíláhrifa, stíláhrifumálbrúarvír úr álier örugglega betri en þessiplastbrúarvír úr plasti, and it fits more closely to the face. Most of the domestic masks use plastbrúarvír úr plasti, which is light in texture; but the effect is not good, and it will rebound after pressing down.
2. From the perspective of production cost, the cost of the plastbrúarvír úr plasti is lower.
3. From the perspective of the types of masks used, álbrúarvír úr áli commonly used N95 masks with high requirements and masks with similar N95 effects. Plastic nose bridge wires are mostly used in disposable masks.