What are welding fumes actually? And what is it that makes welding fumes so dangerous?
The composition of welding fumes and the number of pollutants depend on the welding process and the material composition.
70.3 % of particles in welding fumes are less than 1 µm (= 0.001 mm)
The occurring pollutants have to be distinguished into three types with regards to which effects their absorption may have.