HYSOL US1150 is an extended polybutadiene/MDI base, mineral filled, medium hardness, ambient cure urethane encapsulant/sealant. This material can be used for potting electronics or devices for protection against environmental hazards. It exhibits very little hardness increase when cooled to -75ºC. It can be used for devices in the telecommunications and automotive industries. HYSOL US1150 meets UL 94V-0 rating. The 1 to 4 volume mix ratio makes meter-mix dispensing convenient.