80 mm, 80 mm * 3.0.0.0 mm.
There are differences between China Switzerland special aluminum nose bar material and ordinary aluminum alloy product material. The difference of special aluminum nose bar for mask is: rust proof, corrosion-resistant and high brightness; the surface of aluminum strip has uniform hole permeability, good straightness, no deformation and stable size; it has high strength and good toughness; Jinguang metal can be used for continuous bending with bending equipment; it has excellent adhesion with various adhesives; The sealing effect is excellent; it is not easy to leak and has long service life.
The special aluminum nose bar of China Switzerland metal mask features: smooth surface, no burr, smooth elliptical fillet, easy to bend and shape. It can be perfectly welded with non-woven materials and environmental protection materials. Metal can make it contact closely with the corresponding parts of the wearer's face, and can effectively block dust, smoke, influenza virus, etc