MASTERS Metallic Compound Pipe Thread Sealant (250ml) is a heavy-duty, all-weather sealant designed for both metal and plastic threaded connections. This high-quality sealant lubricates during assembly, preventing galling and seizing while ensuring easy disassembly even after years of use. It effectively seals against most liquids and gases, providing leak protection up to 6,000 psi and 550°F (287°C). Non-corrosive and resistant to drying out or hardening, it’s a reliable choice for long-lasting, efficient sealing. Not recommended for Oxygen or Glycol systems.