Pipe Tape | McMaster-Carr

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About Selecting Pipe Markers

Thread Sealant Tape

Made of PTFE, this tape has a slippery surface that keeps threads from binding to make parts easy to assemble.

High-Density Thread Sealant Tape

This tape has a higher density than standard tape for a better seal between threads.

Choose-a-Color High-Density Thread Sealant Tape

Use color to identify water, gas, and chemical connections.

Thread Sealant Tape for Stainless Steel Threads

This tape contains nickel to prevent seizing and galling associated with stainless steel threaded connections. It’s also good for use with other metals.

Thread Sealant Cord

Wind this multifilament cord into the grooves of tapered pipe threads to quickly create a seal.

Tape

Rubber Sealing Tape

Patch and seal roofs, window frames, gutters, and vents with this conformable tape.

Aluminum Flashing Tape

Use this tape for a watertight bond on gutters, roofing membranes, and other building materials.

Water-Activated Fiberglass Repair Tape

When exposed to moisture, this resin-coated fiberglass tape becomes rock-hard in about 30 minutes. Use it for rigid, waterproof repairs.

Chemical-Resistant Cloth Tape

With excellent resistance to solvents, this tape is often used as blocking tape on silk screen frames.

Dissolvable Repair Tape for Pipes

Create dams in pipes before welding, then wash away with water or steam.

Reinforced Insulation Tape

Seal fiberglass duct and insulation that's faced with an all-service jacket (ASJ). Tape is reinforced with fiberglass.

Corrosion-Protection Tape

Providing all-weather corrosion protection, this vinyl tape resists salt water, UV light, acids, and alkalies. Use it to wrap pipes and electrical conduit both above and below ground.

Self-Fusing Electrical Tape

No need for adhesive—this tape fuses to itself for a permanent seal and stretches to fit virtually any form. Also known as cold shrink tape.

High-Voltage Electrical Tape

Use this rubber tape to splice cable in high-voltage applications.

Dimensional Measuring and Size Checking

Pipe Size Tape Measures

Wrap these pocket-size tape measures around pipe and fittings to determine size.

Pipe Size Rulers

Measure outer diameter and mark lines around pipe.

Certified High-Accuracy Diameter Tape Measures

Accurately measure diameter.

Pocket-Size Diameter Tape Measures

At about half the size of standard diameter tape measures, these fit in your pocket.

Diameter Tape Measures

Also known as tree tapes, wrap these tape measures around circular items to determine diameter and measure circumference without the need for calculations.

Threadlocker Tape

Wrap this no-mess tape around threaded fasteners up to 30 days before installation.

Pipe Markers

Adhesive-Back Pipe Markers

Apply directly onto clean, dry pipes for clear identification of contents.

Made-to-Order Adhesive-Back Pipe Markers

Specify the message you need to label the contents of a pipe. Apply these markers directly onto clean, dry pipes.

Write-On Adhesive-Back Pipe Markers

Use a permanent marker to label the contents of a pipe. Apply directly onto clean, dry pipes.

Applicators for Adhesive-Back Pipe Markers

Roll adhesive-back pipe markers onto overhead pipe, tube, duct, or conduit without taking a single step up a ladder.

Made-to-Order Reflective Pipe Markers

Specify the message you need to label the contents of a pipe in low-light conditions.

Reflective Pipe Markers

Identify pipe contents in low-light conditions.

Write-On Reflective Pipe Markers

Use a permanent marker to label the contents of a pipe. They are reflective so they improve visibility in low-light conditions.

Write-On Washdown Pipe Markers

Use a permanent marker to label the contents of a pipe. These fade-resistant pipe markers withstand detergents used in high-pressure cleaning.

Washdown Pipe Markers

These fade-resistant pipe markers withstand detergents used in high-pressure cleaning.

Made-to-Order Washdown Pipe Markers

Specify the message you need to label a pipe. These fade-resistant pipe markers withstand detergents used in high-pressure cleaning.

Gasket Material

Gasket Tape

Very soft and conformable, this expanded PTFE gasket tape compresses into an extremely thin profile. Use it to create a leak-resistant seal in tight-tolerance applications, such as on precision machinery.

Gasket Tape for Pipe Flanges

Because this expanded PTFE tape is thicker than other gasket tape, it fills the irregularities on rough-surfaces flanges when compressed for a tight seal.

Gasket Tape for Enclosures

Stick these gaskets around door and vent cutouts or replace worn seals to maintain your enclosure's NEMA rating.

Water- and Steam-Resistant
Sticky Silicone Gel Gasket Material

Inherently sticky, this silicone gel material conforms to irregular surfaces and stays in place for an effective moisture barrier.

Strap Hangers

Cut as much strap as you need to hang duct, pipe, and other materials.

Pipe Insulation Repair Strips

Protect and repair insulation with this cotton fiber and resin mesh.