Protective maskThe protective mask is an industrial protective mask used to protect the eyes and face from dust, chemicals, heat, poisonous gas, debris and other harmful substances. It is equipped with toothed knobs on the left and right sides of the elastic head clamp. A large arc-shaped thin curve

What are the classifications and uses of protective masks?The role of the protective mask is to provide the wearer with safe and effective personal respiratory protection. However, in a real application environment, the face screen or lens of the protective mask is prone to fogging, which may cause

Protective maskThe protective mask is an industrial protective mask used to protect the eyes and face from dust, chemicals, heat, poisonous gas, debris and other harmful substances. It is equipped with toothed knobs on the left and right sides of the elastic head clamp. A large arc-shaped thin curve

Scientific common sense about masks（1）1. What kind of particulate protective mask (sometimes called disposable mask) can be used to help protect against viruses?The World Health Organization (WHO) and my country's medical management agencies recommend that, in some cases, use N95 approved by NIOSH,