The primary tapes used in electrical applications are vinyl, rubber, mastic, and varnished cambric. These products have been used in electrical work for many years, are code approved, and conform to key industry standards, including UL 520, ASTM D1000, and CSA 22.2. The Table below lists the primary uses for each of these types of tape.
- Power Plants In electricity generation facilities, insulation tape is critical for securing connections and protecting sensitive components from high voltage electricity.

In the world of DIY projects and home repairs, few products have gained as much notoriety and acclaim as Flex Tape. Marketed as a super-strong adhesive tape that can seal, bond, and repair virtually anything, Flex Tape truly lives up to its reputation. In this article, we will take a closer look at Flex Tape, focusing on the white variant in 4-inch by 5-foot dimensions, exploring its uses, benefits, and overall effectiveness.
What is Polyethylene Rubber Tape?
4. Electrical Insulation The tape provides excellent electrical insulation properties, with a dielectric strength that prevents electrical leakage. This characteristic is crucial for maintaining safety in electrical systems.