Newest electric heat insulation 1.PTC material 2.CE, ROHS, TUV 3.Far infrared ray 3.Suitable unde any underfloor Construction ichnography cataloguesFrequently Questions about PTC Warmfloor A1. What is PTC Warmfloor? (1)PTC Warmfloor is a strong, flexible, thin plastic heating mat.(2)It is made of an innovative polymer blend that heats when electricity is passed through the material.A2. How safe ...