he function of the nose wire is to make the mask fit the face better and ensure that bacteria are not easy to enter the respiratory tract. The nose wire needs to have a good force-bearing shape, there will be no rebound under the condition of no force, and the existing shape will not be deformed.
There are three commonly used materials for the nose wire: polyolefin polymer coated galvanized fine steel wire, plastic, and pure aluminum.
The iron nose bridge wire is made of polyolefin polymer coated galvanized fine steel wire.
Plastic nose wire, all made of polyolefin resin.
The aluminum nose wire is stamped from metal aluminum sheet