Magnetic separation is crucial in plastics processing, preventing metal contamination that can cause product defects and ...

Metals are the only substances that are magnetic. But some metals are magnetic and some are not. The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see ...

Magnetic materials are always made of metal, but not all metals are magnetic. Iron is magnetic, so any metal with iron in it will be attracted to a magnet. Steel contains iron, so a steel ...

Magnetism is a force we can’t see. Something is magnetic if it can pull another magnetic object towards it. Just like these fridge magnets. A magnet attracts or repels things made from certain ...