Hercules® Grriptape™ is a professional PTFE thread sealant that grips on the first wrap and seals a huge variety of threaded systems, including stainless steel pipe; cast iron; PVC, CPVC and ABS pipe; brass and chrome fittings; gas connections and more. Behold the power of Hercules®, products built to last and trusted by plumbers to withstand even the toughest conditions.