Block Thread Sealant 1/2 Pint

• Quickly forms a tough, flexible and leak-resistant seal
• Use for joints, threads, valves, flanges, gaskets, pumps and tanks
• Performs over a range of -90 through 450 degrees Fahrenheit on steel pipe
• Can be used with hydraulic pressure up to 12,000 psi and gas pressure up to 2,600 psi
• Provides leak-proof resistance to high-pressure, temperature, expansion, contraction and extreme vibration

Hercules® Brush-on Block™ is an all-purpose, high-performance pipe joint and gasket sealing compound for use on metals including aluminum, black iron, brass, copper, stainless steel, galvanized steel and plastics, including PVC and CPVC.