Specifications: The tape is a glass cloth electrical tape with a rubber thermosetting adhesive. The color is white and 7 mils (0,177 mm) thick. The tape is coated on one side with pressure-sensitive adhesive, which shall not require heat, moisture or other preparation prior to or subsequent to application. The tape is UL Recognized under UL Standard 510. Operating temperature at of 302° F (150° C) will not cause loss of physical or electrical properties. Shelf Life & Storage: This product has a 5-year shelf life from date of manufacture when stored in a humidity controlled storage (50°F/10°C to 80°F/27°C and <75% relative humidity).