Newest generation electric heating film 1.PTC material 2.CE, ROHS, TUV 3.Far infrared ray ... is a strong, flexible, thin plastic heating mat.(2)It is made of an innovative polymer blend that ... ability to self-regulate,so it will not overheat.(2)To provide power continuously along its length, a ... of its polymer design, PTC Warmfloor cannot overheat.(2)As the material gets warmer, a little electricity ...