Scotchcast&trade2130 Flame Retardant Electrical Insulating Compound is flexible 5 kilovolts maximum permanent urethane resin. Gel Time at 73° F (23° C) is approximately 15 minutes and Energize Time is immediately. Maximum operating temperature is 194 °/F (90° C) continuous. Color is Black. Used in 82-F1 and 82-F2 Splicing Kits. Flame retardant and with a MSHA approval number P-142-5.