Good afternoon, yes, when mixing components with a hardener, a chemical reaction occurs as a result of which it warms up and releases harmful fumes. You need to purchase a respirator brand 3M 7502, or a full face mask of the same brand 6900
Alexey, maybe. Especially if you are working without a respirator. For respiratory protection, it is recommended to use a respirator with replaceable filters with protection against organic vapors, use it every time you work with the resin. The best quality and most comfortable 3M respirators ”7501/7502/7503
Yes, of course, allergies can be caused by inhaling epoxy vapor. And allergens tend to accumulate in the human body.
When working with epoxy compounds, the use of respirators is strongly recommended.