After the first use of electric kettle stains appear, what's the matter?
The heating tube at the bottom of the electric kettle is semi annular. After heating, the inner half of the electric kettle is covered with a half annular dirt band, which is the heating mark left after the heating of the thin metal, which is a normal phenomenon.
After the first use of electric kettle stains appear:Any metal with a certain thickness and a certain temperature will leave a heating mark, which is a normal image. The products of the electric kettle are very thin at the bottom and around it. After heating at high temperature, they leave traces of dirt which are normal
An electric kettle, it will appear dirty because of poor water quality caused by water, after boiling, a part of the water evaporated, another water impurities are left to settle to the bottom of the well dissolved calcium sulfate precipitate. The original dissolved calcium bicarbonate and magnesium bicarbonate, in boiling water decomposition, carbon dioxide is released into insoluble calcium carbonate and magnesium hydroxide is precipitated, sometimes also can produce MgCO3, thus forming a scale.
