Blue Monster Thread Seal Tape 1/2" x 1429"

Get a leak-proof seal every time with the Blue Monster Thread Seal Tape. This tough, high-density PTFE tape is designed for plumbing and industrial applications—no pipe dope required. Whether you’re working with metal or plastic fittings, the Monstrous 1,429-inch roll lets you wrap more connections without needing frequent restocks. Its inert PTFE resin resists cracking, won’t harden over time, and works instantly—no curing or drying needed.

Ideal for water, oil, compressed air, natural gas and a wide variety of chemicals, Blue Monster Tape delivers reliable performance from –450 °F up to +500 °F and pressures up to 10,000 PSI. It even acts as a lubricant and anti-seize to help prevent corrosion of threads.

Key Features

• Monstrous 1,429 in. roll—enough tape for dozens of fittings
• High-density PTFE resin—requires fewer wraps for a secure seal
• Compatible with iron, brass, copper, aluminum, stainless steel, galvanized steel, PVC, CPVC, ABS, fiberglass, polyethylene and polypropylene
• Works instantly—no curing time or messy pipe dope
• Temperature range from –450 °F to +500 °F; pressure rating up to 10,000 PSI
• Inert, waterproof and heat-resistant; helps prevent electrolytic corrosion

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.