Magnetic rubber sheet: 1.easy to cut or roll 2.Strong Magnetism 3.OEM welcome.. Magnetic rubber sheet:Flexible magnetic material is made by mixing ferrite magnet powder with synthetic rubber or plastic (CPE, NBR etc.).It can be easily cut, slit, punched, folded and twisted without damaging the magnetic properties. It does not contain heavy metal elements or hazardous chemicals. It can be used to ...