The analysis is as follows:
In the process of electric welding, the following hazards will occur:
1. Harm of arc radiation to human body.
2. Splashed metal can cause burns and fires.
3. When the welding equipment is connected to the power grid, the human body is in danger of touching the belt.
In view of the above three points, the material of protective mask has corresponding requirements:
1. Arc radiation, spattered metal burns-flame retardant;
2. Power supply network, etc. -Non-conductive;
3. Due to the large heat generated at the moment of welding, in order to avoid high temperature burns, all protective masks should have the function of non-heat conduction at the same time.
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