Outdoor Waterproof Self-Limiting Heating Cable 110V PTC Heat Trace Tape for Roof Snow Melting and Drain Pipe Anti-Freezing

Outdoor Waterproof Self-Limiting Heating Cable 110V PTC Heat Trace Tape for Roof Snow Melting and Drain Pipe Anti-Freezing. Adopts PTC polymer core, automatically adjusts power output with temperature change. Built-in overheat protection, safe even with overlapping installation. Cut-to-length on site for easy installation. Flame-retardant, explosion-proof & corrosion-resistant jackets optional for harsh working conditions. Direct manufacturer, custom specifications available. Used for pipeline freeze protection & temperature maintenance in oil & gas, chemical, fire protection industries.