It is strongly irritating to skin and can cause burns.
The weapon has a potential to cause particularly severe and painful burns or death.
"If left on too long it would cause serious burns."
For example, R34 states that the chemical may cause burns.
If a large enough amount of super glue makes contact with your skin, it can actually cause burns.
It will cause burns similar to, but more severe than, those caused by dry ice.
Heating due to resistance can cause extensive and deep burns.
Never use a heat rock as they can often cause thermal burns and are known to short out.
Do not use them along with a heating pad, because it could cause burns.
The steam and some rocks are hot enough to cause serious burns.