Discover HI-TECH Putty Tape, a high-performance, flexible sealing tape engineered for reliable insulation and protection in demanding environments. Crafted from a durable, non-corrosive mastic adhesive, this 125-mil-thick black tape excels in preventing corrosion while delivering superior aging resistance. Ideal for professionals tackling non-flat surfaces, it’s your go-to for secure, long-lasting seals.