... subject to weather ,easy fix, long use life. silicon rubber heaterSilicon rubber heater is used to the heating and heat preservation of ... communication cabinet, lighting box, anti-flocculation box, computer, ect. Silicone rubber heater with magnetic power makes the attachment very easy. Structure ... low resistance electric heating alloy in the form of wire,strip,bar,coil, including Ni-Cr-Fe, Ni-Cr,Cu-Ni ...