Professional Plastics offers a full-range of insulating materials found in electronic and electrical equipment. Insulating materials are typically considered to be materials with a surface resistivity greater that 1012 Ù/sq (ohms per square). Insulating materials are available in a variety a types, grades and forms including Rigid Shapes (sheets, rods, tubes), Flexible Tubing & Sleeving, Flexible Films & Tapes, and Insulating Foams.