Mastic tape consists of Ethylene Propylene Rubber (EPR) backing coated with a strong, temperature-stable mastic adhesive|The integrated suspension models also feature a wide face seal with soft elastic for improved comfort and reduced noise|Its temperature-rated at 194°F (90°C), and rated for emergency overload of 266°F (130°C)|Use this tape to insulate, pad, and seal bus bar and splice connections|Compatible with solid dielectric cable insulation