alert icon

Internet Explorer 8 or 9 is not supported by this website. Please either update your version of Internet Explorer, or use a more up to date browser.

Hide Message hide icon


Swagelok sealants provide leak-tight sealing in a variety of applications. Rated for a range of system pressures and temperatures. Compatible with many chemicals.

PTFE Tape Pipe Thread Sealant

Learn how to apply PTFE tape as a thread sealant.


Temperature Rating Up to 450°F (232°C)
Tape Sizes 1/4 by 576 in. (6.4 mm by 1463 cm) for 1/8 to 3/8 in. male tapered pipe

PTFE-Free Pipe Thread Sealant


Pressure Rating 1/4 by 576 in. (6.4 mm by 1463 cm) for 1/8 to 3/8 in. male tapered pipe
Temperature Rating –65 to 300°F (–53 to 148°C)
Flash Point 355°F (179°C)
Storage Shelf life is up to 5 years when stored at 45 to 85°F (8 to 29°C).

SWAK™ Anaerobic Pipe Thread Sealant

Learn how to apply Swagelok SWAK anaerobic thread sealant to provide reliable sealing on metal pipe threads.


Cure Time At room temperature, allow 24 h minimum before pressurizing
Pressure Rating Pipe or fitting working pressure up to 10000 psig (689 bar)
Temperature Rating –65 to 350°F (–53 to 176°C)
Viscosity Greater than 100000 cP
Storage Temperature 45 to 85°F (7 to 29°C)
Shelf Life Five years at recommended storage temperature

View and purchase our most widely used products.

Discover more about how Swagelok products can work for you. Browse our catalogs or locate a sales and service center.

Safe Product Selection: The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.