ULD-90 THWN UL90℃ Soft Polyvinyl Chloride Insulation Compound for Building Wire is a wire insulation material that uses high-quality polyvinyl chloride (PVC) as the basic material and is processed through a special process. It can operate stably for a long time in environments up to 90℃. . It has electrical properties, mechanical properties and heat resistance, which can effectively prevent potential safety hazards such as wire short circuits and leakage, and ensure the safety and stability of the building's electrical system. It has flexibility and wear resistance and is convenient for construction and maintenance.