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A spool of gray nickel PTFE thread sealing tape, three quarter inch wide by five zero zero inches long

Anti-Seize

Anti-Seize 36351 Antiseize Tape 3/4 In. W 600 In. L

SKU CH-NK0C-EHX46

Nickel-filled PTFE tape seals stainless-steel threads to 10,000 psi liquid and 300 psi gas from -450 °F to 550 °F

  • TypeDrain Components
  • MaterialHAWA
  • ColorNickel
  • Seals stainless-steel threads reliably with nickel-filled PTFE tape
  • Handles extreme cold down to -450 °F for cryogenic lines
  • Withstands heat up to 550 °F in high-temp systems
  • Rated for 10,000 psi liquid and 300 psi gas pressure
  • 50-foot roll covers many joints with 3/4-inch width

Stainless Steel Thread Sealing Tape

This nickel-filled PTFE tape is designed specifically for sealing stainless steel pipe threads. The POLY-TEMP series construction provides reliable sealing across a wide temperature range from minus 450 to 550 degrees Fahrenheit. It suits plumbers and maintenance engineers who need a thread sealant rated for demanding industrial applications. The tape width is three-quarters of an inch with a total length of 50 feet.

Sustained Temperature and Pressure Performance

Under continuous operating conditions the tape maintains its seal at liquid pressures up to 10,000 psi and gas pressures up to 300 psi. The material density remains stable between 1.2 and 1.5 grams per cubic centimetre across the full temperature envelope. This consistency means the seal does not degrade during prolonged exposure to extreme heat or cryogenic cold. The nickel-PTFE composition resists cold flow and extrusion under sustained load.

Practical Limits of the Pipe Thread Interface

The tape is approved for threads up to three-quarters of an inch in diameter, matching its own width for full coverage. Liquid systems can operate at the full 10,000 psi rating, while gas systems are limited to 300 psi due to the different sealing dynamics. Installers must ensure the thread size does not exceed the stated maximum, as larger diameters would leave gaps the tape cannot bridge. The product is not intended for sealing applications outside these pressure and diameter boundaries.

Highlights

  • Seals stainless-steel threads reliably with nickel-filled PTFE tape
  • Handles extreme cold down to -450 °F for cryogenic lines
  • Withstands heat up to 550 °F in high-temp systems
  • Rated for 10,000 psi liquid and 300 psi gas pressure
  • 50-foot roll covers many joints with 3/4-inch width

Specifications

TypeDrain Components
MaterialHAWA
ColorNickel
BrandANTI-SEIZE TECHNOLOGY

Questions about this item

Will the nickel-filled PTFE tape degrade or leak after weeks of continuous 550 °F service?

The tape is rated to a maximum operating temperature of 550 °F and a minimum of -450 °F, so it remains stable during extended high-heat exposure.

Do I need a specific thread size or pipe material for this 3/4 in. wide tape to seal properly?

It is designed for stainless-steel threads up to 3/4 in. diameter and functions as a pipe thread sealant tape for that application.

Can I wrap this tape onto older galvanised or black-iron fittings without compatibility issues?

The product is specified for stainless-steel thread sealing; performance on galvanised or black-iron fittings is not covered by the supplied data.

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