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PTFE Thread Seal Tape — 1/2 in x 520 in

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Original Price $2.27
Current Price $1.70
SKU HTST520-1/2
In Stock (570)

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American Granby, Inc HTST520-1/2 PTFE thread seal tape is a contractor-grade sealing tape engineered for plumbing, irrigation, and general-purpose threaded connections. Made from 100% virgin PTFE, the tape offers low-friction installation and a durable, watertight seal on metal and plastic fittings.

  • Size: 1/2 in x 520 in roll — long-lasting single-roll supply for multiple fittings.
  • Material: 100% virgin PTFE (white); medium density for fewer wraps.
  • Thickness: approx. 3.5 mil for reliable sealing and tensile strength.
  • Standards: Meets ASTM D-3308 and Mil Spec T-27730A; contractor quality.
  • Temperature range: suitable for -375°F to 500°F; resists water and common corrosives.
  • Not for use on oxygen lines; follow local codes for gas or medical applications.
  • Easy to tear by hand and conformable to threads for fast installation.

Use HTST520-1/2 to form tight, leak-resistant seals on threaded pipe joints in residential and commercial systems. Apply tape in the thread direction, wrap evenly, and avoid over-wrapping. Store in a cool, dry place. Manufactured by American Granby, Inc.

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Frequently Asked Questions

What material is this thread seal tape made from?
This tape is made from 100% virgin PTFE (white), medium-density for reliable sealing on threaded fittings.
Is this tape safe for gas or oxygen lines?
This white PTFE is general-purpose and is not for use on oxygen lines. For gas lines, use gas-rated tape and follow local codes.
How should I apply HTST520-1/2 to threaded fittings?
Wrap tape in the direction of the threads, overlap evenly and avoid over-wrapping; 3–6 wraps are typical for 1/2 in fittings.

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