... warm preservation, anti-freezing, lawn, public green space, soil heat preservation, stair snow melting, tank warming freeze protection, etc. ... 000 times (national standard 10,000 times), and unchanged resistance value.6. Tensile strength is 3-4 times higher ... fluorine plastic.1. Under normal temperature (maintaining heating), insulation resistance is more than 500mω, withstand voltage is 4,500v (ac ...