If you've spent much time around ships, you might have noticed they're often painted red just below the water line. What's ...

So where does the red color come in? Well ... animal simply for a fresh coat of red on their barn instead used iron oxide which is rust and was readily available on all farms.

The red color of the fire retardant is caused by the chemical component iron oxide, commonly known as rust. The retardant is colored with the component so it is easily seen from the air and by ...

The red color of the fire retardant is caused by the chemical component iron oxide, commonly known as rust. The retardant is colored with the component so it is easily seen from the air and by ...