The ATUK-5-3.680-C-RL Kraft Thermal Upgraded Insulation Roll features 5 mil thickness and a 3.680-inch width with enhanced thermal properties, engineered for superior electrical insulation and heat resistance. This high-quality kraft paper delivers excellent dielectric strength, moisture resistance, and dimensional stability, making it ideal for motor winding insulation, transformer barriers, slot liners, phase separation, and general industrial insulation applications. At 334 linear yards per roll, it provides extended coverage for OEM fabrication, production, and maintenance tasks. Trusted by electrical engineers and technicians, the ATUK-5-3.680-C-RL roll offers reliable performance and long-term protection in demanding environments.