Provide 308 fully enclosed mask

Polycarbonate material, with anti ultraviolet agent, lens thickness of 2mm, acid, alkali and high temperature resistance of 130 degrees, for a variety of operations;
face screen plexiglass material, economical and suitable for public operations, plexiglass has white, green, gray and Tan lenses;
automatic adjustable headband mask has four kinds of adjustable angle of view;
this mask is suitable for steel heat treatment, boiler ash delivery, electroplated polishing and grinding wheel grinding;
it can prevent the damage caused by the splash of harmful substances such as acyl, alkali, oil, chemical liquid, metal solution, iron chips or glass fragments, and shield and absorb the burns caused by the radiation heat generated by radioactive a-rays and low-energy b-rays, so as to protect the whole face.
Panel material: organic glass