company news about Is the refractory bricks poisonous?

Theoretically refractory bricks are not poisonous. Because most of the refractory bricks are the stable material that is formed by sintering over one thousand degrees (we usually say the high temperature is sterilized). We usually use the clay brick, high alumina brick and so are some of the common elements of the natural world, so there is no toxicity. However, some of the refractory bricks containing chromium, the chromium is a heavy metal elements, because heavy metal elements on the human body is harmful, of course, if you do not have the body of chromium intake of the body is no harm to the human body.